SOUTHCO® DZUS® fasteners are versatile space-saving fasteners providing flexibility for accommodating many specific mounting requirements. Their product range includes a wide range of quarter-turn studs in different head styles and lengths, retainers, receptables in different styles, and accessories, designed to secure panels quickly and easily with a simple quarter-turn action. They provide a precise fit for accurate positioning of panels and sheet metal applications where dimensions are constant. 

DZUS® Lion Quarter-Turn Studs form part of the DZUS® Lion family of fasteners, which are known for their quick and easy panel securing and used in Aerospace, Automotive, Computer and many other industries.

DZUS® Lion Quarter-Turn Studs are offered in different sizes, DZUS®  81 (small) DZUS®  82 (medium) & DZUS®  85 (large) series in 0.5 mm (.02") stud length increments. Offered in steel, zinc plated (all series) or stainless steel materials (DZUS® 82 & 85 series only). They are corrosion resistant with available RFI-EMI shielding. Also offered in kits for popular aircraft models. Matching receptables for these studs are separately listed.

DZUS® Lion Quarter-Turn Fasteners' Features:

Integrate three separate component choices – stud, retainer, and receptacle – to suit application requirements. (Choose receptacle first to determine length of stud shaft.)

Built-in retention features keep fastener hardware with panel and frame, eliminate dropped or lost components

A variety of head styles provides choices for convenient manual use or tool-restricted access

Each fastener component provides a degree of spring action for a snug fit

Numerous corrosion-resistant components

Also available in stainless steel

Stainless, nylon, and snap-in stud retainers

Shielded press-in receptacles provide RFI-EMI shielding

Numerous accessories and installation tools enhance the benefits of quick access fastening

Standards and Specifications

Specific hardware components and sizes determine maximum working loads

Applications:

Aerospace, Automotive - Trucks, Computers, Construction Equipment & Off-Highway Vehicles (Farm Equipment), Electronic Enclosures, Exhibits/Signs, Food Equipment, Furniture, HVAC, Industrial Enclosures, Lawn/Garden Equipment, Medical.

For cross reference between DZUS® old part numbers and respective SOUTHCO® part numbers  & additional product information please consult the supplied documentation.

SOUTHCO® DZUS® AJ Type oval head long undercut studs are made from steel, zinc electroplated or stainless steel, indicated by the letters "SS" after the part number.The dash number represents the length ("L" dimension) of the stud. Cadmium plated fasteners indicated by an asterisk (*) are no longer available due to enviromental reasons. Only offered till suppliers' current stock is depleted. Please order next longer size.

For cross reference between DZUS® old part numbers and respective SOUTHCO® part numbers please consult the supplied table.

NASM35675/MS35675 series pins are headless pins with longitudinal straight grooves, made from corrosion resisting steel (CRES). MS35675 series pins are superseded by those of NASM35675 series.

NAS1922/NAS1924 series clamps are light-weight, aircraft application clamps from 300-series stainless steel available with either a 1/4" round slotted screw or a 1/4" slotted hex-head screw. 

NAS1922/NAS1924 series clamps are included as part of our own branded (AVIATIONEU NEW ERA) product lines. They are available in different sizes (NAS1924 clamps are available in sizes 48 & above). Both screw styles can be supplied with optional lock wire hole for tamper resistance. Black Oxide coated band versions (designated by the letter "L" in the part number) are also offered for increased wear resistance.

The following designators in the product reference number (SKU) indicate the different versions:

-1 Clamp with round slotted screw

-3 Clamp with slotted hex-head screw

-1H Clamp with round slotted screw & lock wire hole

-3H Clamp with slotted hex-head screw & lock wire hole

NAS1922/NAS1924 series clamps are sold in pieces or packs of specified number of pieces indicated after the letters "PK" in the product reference number (SKU).

Please refer to the attached documentation of the effective diameter range for different part numbers.

CHANSEN® PONY Adjust-A-Clamp™ spring clamps are ones of the most durable clamps available allowing exact control of the applied pressure, providing between 1 and 50 pounds of clamping force with the turn of a screwdriver. Ideal for gluing models, crafts and various other projects. Light-weight, plastic jaws deliver comfortable yet durable use. Soft, pivoting jaw pads easily hold irregular-shaped objects and protect workpieces. Available in two models, 3251 with Max. opening: 1", Throat Depth (Reach): 1-1/4" and 3252 with Max. opening: 2", Throat Depth (Reach): 2-1/8". Sold in packs of 12 clamps each.

Clevis pins are used as a quick and secure fastener in place of bolts and rivets. Clevis pins can be partially threaded or unthreaded. Unthreaded Clevis pins have a domed head at one end and a cross-hole at the other end. A Clevis pin is inserted through the holes at the pronged ends of a Clevis and is kept in place by a cotter pin. Threaded Clevis pins are partially threaded on one end with a formed head on the other.

MS20392 series Clevis pins are straight, headed pins with a drilled shank. They supersede those of AN392 to AN396 series and those of AN400, AN402, AN404, and AN406 series. MS20392 series Clevis pins are produced in different materials (steel alloy, corrosion resistant steel (CRES), titanium alloy) and surface finishes (cadmium plated, chrome plated, titanium alloy - aluminum coated) with a drilled hole for cotter pin. The following letters in the part number specify materials and finishes:

“C”  Steel alloy, 4037 4130 8630 or 8740 cadmium plated

“S”  Steel alloy, 8740 cadmium plated

“R” Corrosion resistant steel, PH13-8Mo chrome plated

“P” Corrosion resistant steel, PH13-8Mo cleaned descaled and passivated

“A” Titanium alloy Ti-6AI-4V, aluminum coated and lubricated with solid film lubricant

“T” Titanium alloy, Ti-6AI-4V, no finish

MS20392 series Clevis pins are offered as part of our own branded (AVIATIONEU NEW ERA) product lines in different materials, head, shank diameters and effective lengths. They are used with clevis forks and in secondary controls which are not subjected to continuous operation. For more information, please refer to the supplied documentation or contact us.

Made of aluminum for SOUTHCO® DZUS® standard studs, SOUTHCO® DZUS® GA Type full grommets can be used with “A” and “AJ”  protruding head studs and GF Type with “F” and “FJ” flush head studs. 

A full grommet is used when protection of the hole is a definite consideration. They protect panel finish and reduce stud play. 

The dash number represents the length ("L" dimension) of the grommet.

A tool is required for their installation.

For cross reference between DZUS® old part numbers and respective SOUTHCO® part numbers please consult the supplied table.

SOUTHCO® DZUS® D5 PANEL LINE QUARTER-TURN FASTENERS

The SOUTHCO® DZUS® aerospace grade D5 Panel Line Quarter-Turn fasteners provide accurate, secure engagement and vibration resistance for demanding applications across industries.They meet aerospace certification requirements and include stud assemblies and receptables briefly described below that provide enhanced functionality. Offered in different sizes.

D5-PFSC35 DZUS® quarter-turn flare-in stud assemblies, designed for quick-access, eliminate the possibility of dropped or lost hardware components. Manufactured from steel and zinc plated, bright chromate.

D5-PR35 Quarter-Turn Receptables made from aluminum alloy and stainless steel.

D5-PB35 Quarter-Turn Single Hole Wire Form Receptables made from steel and zinc plated, bright chromate.

For cross reference between DZUS® old part numbers and respective SOUTHCO® part numbers please consult the supplied table.

HOWMET® AEROSPACE offers the broadest selection of threaded inserts and studs to serve the needs of the aerospace, industrial and automotive markets. ROSAN®/Aerospace Fastener Division, formerly part of FAIRCHILD FASTENER GROUP and now a HOWMET AEROSPACE® business unit, specializes in the design, development and manufacturing of quality aerospace threaded fasteners & hydraulic system products.

ROSAN® product portfolio includes a complete range of high quality ring locked inserts & studs with superior torsional resistance in hard and soft parent materials as well as various other fittings, inserts & studs designed for a variety of high specification applications. Their ring locked inserts & studs come standard with an oversized pitch diameter on the thread mating with the parent material & resulting in a slight interference fit, especially advantageous in high vibration and/or fatigue environments. Ring locked inserts are available with internal threads, either free-running, or with locking devices such as deformed threads, Vespel™ insert, or beam lock. Ring locked products are easy to install with the use of standard drills, taps, gages and offered installation and removal tools. Both inserts & studs come in a variety of materials including 303, A286, and 17-4 PH Corrosion Resistant Steels (CRES), Inconel 718 Nickel-Chromium Alloy, 6Al-4V Titanium, and 4130 Alloy Steel. Lockring materials consist of 303 and A286 CRES, and Inconel 718.Variations of the standard insert design include blind, hydraulic, solid and captive lockring. Stud variations include size-on-size, pin types, hydraulic, terminal, full shank, and reduced-shank nut ends. A complete line of unified and metric products is available, along with oversize replacements for repair of damaged parent material. The ring locked products comply with AS, DIN, DOD, LN, and MS standards.Typical applications include fixed and rotary-wing aircraft, engines, gearboxes, tracked vehicles, & accessory housings.

ROSAN® style fasteners are offered by other manufacturers such as PCC SHUR-LOK® International & PRECISION THREADED PRODUCTS (PTP). 

SHUR-LOK® studs & inserts are designed for resistance to high torque-out and pullout loads. Ideal for high fatigue & vibration environments of aero engines, gearboxes, turbo machinery, and military vehicles. SHUR-LOK® studs & inserts come with a variety of locking features including keyed ring, ring locked, and Vespel®. Their studs and inserts conform to MS, DOD, LN, DIN, OEM, and SHUR-LOK standards. Offered in a wide range of materials, finishes, and thread locking features. PRECISION THREADED PRODUCTS (PTP) specializes in precision fasteners for aircraft engine manufacturers, including GE Aviation, Avio and Pratt & Whitney. PTP manufactures MS parts cross-referencing both HOWMET® and SHUR-LOK® ROSAN® style studs and inserts.

SOUTHCO® DZUS® retainers and accessories for use with SOUTHCO® DZUS® fasteners. SOUTHCO® DZUS® standard line quarter-turn retaining springs made of steel, zinc plated or stainless steel. The dash number represents the height ("H" dimension) of the spring. For cross reference between DZUS® old part numbers and respective SOUTHCO® part numbers please consult the supplied table.

Cotter pins are used to secure bolts, screws, nuts, and pins. Military standard MS24665 split cotter pins are made from cadmium plated steel, replacing those of AN380 series or passivated corrosion resistant steel (CRES), replacing those of AN381 series. The CRES cotter pins are more resistant to corrosion and also used where heatresisting attributes are desired, such as forward of firewall or  in locations where nonmagnetic material is required. Regardless of their shape or material, all cotter pins serve the same general purpose - safetying. MS24665 split cotter pins are superseded by respective part numbers of NASM24665 series.

MS24665 Series split cotter pins are offered as part of our own branded (AVIATIONEU NEW ERA) product lines in cadmium plated steel or passivated corrosion resistant steel and in different diameters and lengths. Sold in pieces. For more information, please refer to the supplied documentation or contact us.

SKYBOLT® stainless cowling fastener kits replace the old parts from other manufacturers originally installed on aircraft cowlings and access panels with exclusive SKYBOLT® CLoc®, ZLoc®, or ALoc® style stainless steel fasteners manufactured by SKYBOLT®. SKYBOLT® Cloc style fasteners are compatible with Camloc and are available in 2000 and 4000 series. ZLoc fasteners are compatible with Dzus and Aloc fasteners with Airloc ones. In addition SKYBOLT® SK2003 plate mounts upgrades those of J 7444 series commonly used in Cessna aircraft. SKYBOLT® kits for different aircraft models and year of construction are offered to cover all panels or certain portions of the engine cowling. The SKYBOLT® Cowling Fastener Kits will usually contain more of a selection than the aircraft may actually require so that a replacement project can efficiently move from start to finish. Other kits like the Trim and Fuel Tank Kit are also available.

Note: Alternative kits from competition may include less fasteners than those required for the replacement project. It is recommended that kit evaluations and price comparisons should be made on the basis of the hardware included in each kit.

HOWMET® AEROSPACE Inc. (formerly ARCONIC Inc.) develops and manufactures high performance, engineered products and solutions for the aerospace, industrial gas turbine, commercial transportation and oil and gas markets. CAMLOC®, a HOWMET® AEROSPACE  brand, is widely known for their Quick Release Fasteners, offering one of the most comprehensive range of fastener styles and sizes in the market. CAMLOC® 1/4-turn, push-turn & push-push Quick Release Fasteners are safe and easy to use providing a vibration resistant joining solution for quick and repetitive attachment and removal of panels with minimum effort, saving time and reducing costs. They come in different series outlined below.

2600/2700 Series - General purpose small fasteners with widest selection of hand and tool-operated studs and receptacles. Those of 2600 Series fasteners feature a max. tensile strength of 1.330 N, & a working load of 900 N, flush head styles and solid compared to the split retaining rings of their 2700 Series counterparts.

5F Series - Low-cost, high-speed installation fasteners with tool-operated snap-in studs and spring-loaded receptacles. Plastic washer stud assemblies protect decorative surfaces.

15F Series - They can be installed to provide either push button or push panel operation. Easy installation of externally threaded nut-retained receptacle. Push-to-open, push-to-close operation.

50F Series - Mid-size fasteners with snap-in stud & clip-on or snap-in receptacles. Stud assemblies incorporate plastic washers to protect decorative surfaces. Offered in a wide variety of head styles  and tool- and hand-operated studs. Available for general purpose (50F 900N) or extra heavy-duty (50F 3700N) uses.

D4002 Series - Heavy-duty fasteners with a wide choice of receptacles and studs as well as fixed and floating receptacle options. These fasteners use a variety of grommets designed to reinforce the panel for added strength.

99F Series - Fasteners with an increased grip range of 1.5mm, encapsulated  splash resistant design, and externally threaded receptacles for use in castings or on panels with a retaining nut.

715F/716F Series - These fasteners are suitable for automatic installation with an easy and economic clip-on installation for studs & receptacles. They open and close by 1/4-turn push of the finger. Due to their small size, they are suited for use in electrical engineering and electronics. 715F Series comes with a tensile capability of 700 N max & 600 N working load. 716F Series has tensile capability of 1,400 N max and a 1,200 N working load.

717F Series - High strength push turn fasteners featuring a robust design, max tensile strength 3,000 N, and a working load of 2,500 N. The spring receptacles can either be rivet or screw mounted for easily installation.

PT-10 Series - Fasteners with increased grip range of 3.0mm, fast and easy installation of stud & washer and snap-in spring receptacle. They open and close by 1/4-turn push of the finger.

SOUTHCO® DZUS® fasteners are versatile space-saving fasteners providing flexibility for accommodating many specific mounting requirements. Their product range includes a wide range of quarter-turn studs in different head styles and lengths, retainers, receptables in different styles, and accessories, designed to secure panels quickly and easily with a simple quarter-turn action. They provide a precise fit for accurate positioning of panels and sheet metal applications where dimensions are constant. 

DZUS® Lion Quarter-Turn Studs (separately listed) form part of the DZUS® Lion family of fasteners, which are known for their quick and easy panel securing and used in Aerospace, Automotive, Computer and many other industries.They are offered in different sizes, DZUS®  81 (small) DZUS®  82 (medium) & DZUS®  85 (large) series in 0.5 mm (.02") stud length increments. Available in steel, zinc plated (all series) or stainless steel materials (DZUS® 82 & 85 series only). They are corrosion resistant with available RFI-EMI shielding. Matching receptables for these studs come in different styles including:

Floating for Riveting without Base - space saving stainless steel receptacle offering optimum weight savings by eliminating base.

Floating for Riveting with Base - Compact full-floating dacrotized steel receptacle mounted to inside panel with two 3/32" rivets.

Clip-On Receptacles - Fit material thickness from .020 to .190 by simply slipping over the hole and clipping in place. Easily removed not requiring welding and riveting.

Rubber Vibration Isolation Receptacles- for use when necessary to isolate vibration between panels.

For additional information please refer to the attached documentation.

Adel (aka MS21919) aircraft clamps, are key components used in line support, vibration dampening and maintaining proper clearance for lines or harnesses running throughout the aircraft structure. The Adel clamp is a metal band, constructed from aluminum, corrosion-resistant steel and low-carbon steel, covered by a white rubber lining or cushion, made from silicone.

Adel MS21919 Series cushioned loop aerospace clamps replace respective parts of MS21104 standard. They are offered as part of AVIATIONEU NEW ERA product lines in different sizes with their bands (straps) and cushions manufactured from different materials.  Sold in pieces or convenient packs of specified number of clamps per pack indicated after the letters "PK" in the product reference number (SKU).

The High Temperature MS21919WH and MS21919WCH clamps feature  "silicone" white rubber cushions rated for 400 degrees for use in the aerospace industry. Cushion material enables elevated temperature usage in phosphate ester based fluid and other synthetic fluid contaminated areas. They are unaffected by ozone. Not resistant to petroleum based fluids. The extra rubber wedge at one end of the rubber cushion assures a tight fit, helps avoid pinching wires or lines when closing the clamp and helps reduce vibration when used on lines. 

The “WCH” series clamps have a corrosion resistant steel (stainless steel) strap while the “WH” series clamps have an aluminum strap. 

The MS21919WDF series clamps have an aluminum strap and a nitrile cushion while the MS21919WDG series clamps have have an aluminum strap and a chloroprene cushion.

Clamps and Cushioned Loops can be slipped over a tube or wire and closed with a bolt at assembly and have one round hole and one slot for ease of alignment and a developed shape for proper closing.

For additional information please consult the supplied documentation or contact us.

SOUTHCO® DZUS® fasteners are versatile space-saving fasteners providing flexibility for accommodating many specific mounting requirements. Their product range includes a wide range of quarter-turn studs in different head styles and lengths, retainers, receptables in different styles, and accessories, designed to secure panels quickly and easily with a simple quarter-turn action. They provide a precise fit for accurate positioning of panels and sheet metal applications where dimensions are constant. 

DZUS® Lion Quarter-Turn Studs form part of the DZUS® Lion family of fasteners, which are known for their quick and easy panel securing and used in Aerospace, Automotive, Computer and many other industries.

DZUS® Lion Quarter-Turn Studs are offered in different sizes, DZUS®  81 (small) DZUS®  82 (medium) & DZUS®  85 (large) series in 0.5 mm (.02") stud length increments. Offered in steel, zinc plated (all series) or stainless steel materials (DZUS® 82 & 85 series only). They are corrosion resistant with available RFI-EMI shielding. Also offered in kits for popular aircraft models. Matching receptables for these studs are separately listed.

DZUS® Lion Quarter-Turn Fasteners' Features:

Integrate three separate component choices – stud, retainer, and receptacle – to suit application requirements. (Choose receptacle first to determine length of stud shaft.)

Built-in retention features keep fastener hardware with panel and frame, eliminate dropped or lost components

A variety of head styles provides choices for convenient manual use or tool-restricted access

Each fastener component provides a degree of spring action for a snug fit

Numerous corrosion-resistant components

Also available in stainless steel

Stainless, nylon, and snap-in stud retainers

Shielded press-in receptacles provide RFI-EMI shielding

Numerous accessories and installation tools enhance the benefits of quick access fastening

Standards and Specifications

Specific hardware components and sizes determine maximum working loads

Applications:

Aerospace, Automotive - Trucks, Computers, Construction Equipment & Off-Highway Vehicles (Farm Equipment), Electronic Enclosures, Exhibits/Signs, Food Equipment, Furniture, HVAC, Industrial Enclosures, Lawn/Garden Equipment, Medical.

For cross reference between DZUS® old part numbers and respective SOUTHCO® part numbers  & additional product information please consult the supplied documentation.

ROTAX® aircraft  engines form part of the product portfolio  of BRP-Powertrain GmbH & Co. KG which develops and manufactures engines for snowmobiles, watercrafts, boats, roadsters, all-terrain and side-by-side vehicles, motorcycles, carts, and aircrafts.

BRP-ROTAX® product range includes certified and non certified internal combustion engines, parts and accessories for light and ultralight aircraft.

Different springs are used in BRP-ROTAX® aircraft engines. They are offered as certified or non certified parts from the manufacturer. Non certified parts can be used in ultralights or other aircraft not requiring certification of parts for their installation. Certified parts are designated by the letters "CERT" in the product reference number (SKU).

Aircraft engine  parts are subject to changes from time to time. Some parts may be no longer available or replaced by others with different part numbers. Listed BRP-ROTAX® engine parts do not imply their current availability or suitability for your engine application. Always consult the most recent Illustrated Part Catalogs (IPCs) or other documentation available from the manufacturer for the correct part number before ordering.

A retaining ring is a fastener that holds components or assemblies onto a shaft or in a housing/bore when installed in a groove. MS16625 series are internal retaining rings intended for use in different housing diameters. They are offered in different materials (Carbon Spring Steel, Corrosion Resistant Steel, Beryllium Copper) and surface finishes (Cadmium Plated, Phosphate Coat, Zinc Coat) depending on their part number.

NAS561 Series pins are heavy duty slotted spring pins made from different materials such as high carbon cadmium plated steel, stainless steel, austenitic (nickel) or stainless steel, martensitic (chrome). Sourced from quality manufacturers, these nuts are offered as part of our own labelled (AVIATIONEU NEW ERA) product lines in different diameters and lengths.