Hexagonal Nuts

Hexagonal Nuts

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AVIATIONEU NEW ERA...

Nuts are extensively used in a wide range of aerospace and industrial applications. Self-locking nuts are those containing a locking feature as an integral part. MS20364 (Thin Pattern) and MS 20365 (Regular Pattern) Series Hex Self-Locking Nuts are offered as part of AVIATIONEU NEW ERA product lines. MS20364 and MS 20365 nuts superceed those in AN364 and AN365 respectively. They are made from cadmium plated steel and offered in different dimensions and thread sizes. These nuts come either as all metal or with non metallic inserts designated by the letters "C" and "A" respectively after the dash number in the product reference number (SKU). No letter indicates an all metal or a non metallic insert nut. Designed for use in high temp installations (up to 250°F). Sold in pieces. Please refer to product specifications or contact us.

NAS1423/NAS509 Series...

The NAS1423/NAS509 series hexagon nuts fall into the jam nut category. Jam nuts are a style of nut that features a low profile, typically half the height of standard nuts and diagonal drilled holes. Their minimal thickness allows them to fit in tight spaces where ordinary nuts might not fit. NAS1423 series jam nuts are manufactured from 4130/4340 cadmium plated steel alloy or unplated A 286 stainless steel (designated by the letter "C" in the part number). NAS509 series jam nuts NAS1423 series jam nuts are manufactured from 4130/4340 cadmium plated steel alloy or corrosion resistant steel passivated (designated by the letter "C" in the part number).They are offered Right or Left  Hand threads in different sizes in inches. 

Steel Nut Specifications:

Material - 4130 Alloy Steel Per AMS-S-6758

Finish - Cad Type II, Class 2 Per AMS-QQ-P-416

Heat Treat- 150 KSI Min Per AMS2759

Hardness - 34-38 HRC

AVIATIONEU NEW ERA...

The NAS1291 series lock-nuts are widely used throughout the aerospace industry. They are thin-walled, self-locking nuts with a reduced height and are made of corrosion resisting (stainless) steel or cadmium plated alloy steel with or without dry film lubricant for 450 deg. F use. The nuts from corrosion resisting steel are designated by the letter "C" after NAS1291. The NAS1291 series of nuts ranges in size from 02 to 10, with corresponding thread diameters of .086 to .6250 inches. Some versions of the NAS1291 lock-nut have been superseded by NASM21042/MS21042 and NASM21043/MS21043 series. The NAS1291 series lock-nuts are offered in different sizes as part of our own branded (AVIATIONEU NEW ERA) product lines. For more information please refer to the attached documentation.

AVIATIONEU NEW ERA NAS1022...

The NAS1022 Series nuts are low height and strength hexagon machine nuts available in different materials and finishes. Those from 450 Deg. low strength steel are designated by the letter "A" after NAS1022. Similarly, the letter "C" designates nuts from corrosion resisting steel passivated while the letter "N" refers to steel cad plated nuts. They are offered as part of our own branded (AVIATIONEU NEW ERA) product lines in different thread sizes and dimensions in inches.

AVIATIONEU NEW ERA...

The MS21044/NASM21044 Series all-metal hexagon-shaped, regular height self-locking nuts with nylon insert are made of different materials and finishes (e.g. corrosion resistant steel passivated,copper cadmium plated, aluminum alloy anodized) and they are available in different thread sizes.  Sourced from quality manufacturers, the MS21044/NASM21044 Series  self-locking nuts are offered as part of AVIATIONEU NEW ERA product lines. The following letters in their part number indicate their composition.

"B" Copper alloy - Cadmium plated

"C" Corrosion resistant steel - passivated

"D" Aluminum alloy - Anodised

"N" Steel alloy - Cadmium plated

For example, MS21044C3 is a corrosion resistance steel self-locking nut with a thread size of 10-32, while MS21044N3 is a steel alloy nut with the same thread size.

MS21043 Series nuts are superseded by NASM21043 series.

AVIATIONEU NEW ERA...

The MS21043 series all-metal hexagon self-locking reduced height nuts have a ring base and they are of corrosion resistance steel and silver plated. They are widely used throughout the aerospace industry together with the MS21042 series counterparts rated at 160,000 psi tensile strength and made of cadmium plated steel. Both are designed for use in high temperature installations (up to 450°F for MS21042 series  and up to 800°F for MS21043 series nuts). They both come without or with or  a dark grey dry film lubricant (Lubed) indicated by the letter "L" in their part number. MS21043 series nuts have been superseded by NASM21043 series while MS21042  ones have been superseded by NASM21042 series nuts. NASM21042/MS21042 and NASM21043/MS21043 series are used to replace certain versions of older NAS1291 series thin-walled reduced height self-locking nuts, made of corrosion resisting (stainless) steel or cadmium plated alloy steel (see the respective product presentation).

The NASM21042/MS21042 and NASM21043/MS21043 series nuts are offered as part of AVIATIONEU NEW ERA product lines. 

TEXTRON LYCOMING Engine...

These nuts are for use in Textron Lycoming aircraft engines. Supplied with our own Certificate of Conformance. If additional certification is required, please contact us as a respective charge may apply.

AVIATIONEU NEW ERA...

AN316/NASM316 Series hexagonal steel cadmium plated  thin non-locking check nuts are Military Specification versions of non-locking jam nuts used typically to lock in adjustments where a male threaded part screws only partway into a female threaded part (rod ends, grub screws, bulkhead fittings, etc). AN316/NASM316 Series jam nuts are thinner than the AN315 specification nuts for use in tighter installations but the AN316/NASM316 hex check nuts can carry half the tension load of the AN315 nuts.

Sourced from quality producers, the AN316/NASM316 Series check nuts are offered as part of AVIATIONEU NEW ERA product lines in steel cadmium plated or corrosion resistant steel (CRES) passivated (indicated by the letter "C" replacing the dash number) in different thicknesses and thread sizes in inches.  Letters "R" and "L" after the dash number indicate a Right or Left Hand thread respectively. For additional information please consult the supplied documentation or contact us.

Certification Details:

AN316 (REV. 11)., AIR FORCE-NAVY AERONAUTICAL STANDARD: Nut, Jam, Hexagon (25 Feb 1991). Superseded by NASM316. The Part Identification Number (PIN) for AN316 and the part number for NASM316 are identical. The part numbers have not been changed.

AVIATIONEU NEW ERA...

AN315/NASM315 Series hex plain nuts are manufactured from steel and cadmium plated per QQ-P-416A, Type II, Class 3, corrosion resistance steel or aluminum alloys. The AN315 nuts have been superseded by NASM315 Series. Similar to common nuts  but with a rugged construction they are designed and built with aviation grade materials and to specific aviation design specifications. They can carry the same high tension load as the AN310 castle nuts and require an auxiliary locking device such as a check nut or lock washer. 

Sourced from quality producers, the AN315/NASM315 Series hex plain nuts are offered as part of AVIATIONEU NEW ERA product lines in different thicknesses and thread sizes in inches. The following letters are used to designate specific types of airframe nuts:

"C" before dash number for corrosion resistance steel nuts

"D" before dash number for aluminum-alloy nuts

"L" after dash number for left-hand thread

"R" after dash number for right-hand thread

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

Certification Details:

AN315 (REV. 10) (NOTICE 2)., AIR FORCE-NAVY AERONAUTICAL STANDARD: Nut, Plain, Castellated, Airframe (23 SEP 2002) [S/S BY NASM315]., AN315 REV. 10, dated 29 DECEMBER 1972, is hereby canceled and superseded by NASM315. The Part Identification Number (PIN) for AN315 REV. 10 and the part number for NASM315 are identical. The part numbers have not been changed.

AVIATIONEU NEW ERA...

The AN363 series regular height all-metal stop nuts are similar to those of MS21042 series except that MS21042 nuts are shorter than the AN363 but develop the same tensile strength. The AN363 series nuts are fabricated from carbon steel & cadmium plated as per specification QQ-P-416C or stainless steel, in which case the letter "C" is included after the series number (e.g. AN363 cadmium plated steel, AN363C stainless steel). Both are designed for use in high temp installations (AN363 up to 450°F, AN363C up to 800°F).  The AN363/ AN363C series nuts have been replaced by those of MS21045/MS21046C respectively which in turn are superseded by NASM21045/NASM21046C.  The Part Identification Number (PIN) for MS21045/MS21046C  and the part number for NASM21045/NASM21046C nuts are identical. The part numbers have not been changed (eg. AN363-1032 to MS21045-3 to NASM21045-3).

Sourced from quality producers, MS21045/MS21046C all-metal stop nuts are offered as part of AVIATIONEU NEW ERA product lines which also include nuts from other AN, MS/NASM series (please refer to the individual product presentations). Sold in pieces. Please refer to product specifications or contact us.

AVIATIONEU NEW ERA...

NASM21083/MS21083/AN364 series hexagonal low height self-locking  nuts with elastic insert are intended for use in structural applications. Sourced from quality producers and offered as part of our AVIATIONEU NEW ERA product lines, they are fabricated from different materials and finishes (cadmium plated steel, corrosion resistant steel passivated, aluminum alloy anodized) indicated by the following letters after their series number:

Letter “A” after dash number for nuts having non-metallic inserts

Letter "C" corrosion resistance (stainless) steel CRES passivated

Letter "B" brass

Letter "D" aluminum alloy anodized

Letter "N" cadmium plated steel

Cad plated nuts are furnished to military specifications while stainless steel nuts are furnished to military specification and commercial grade. AN364 nuts have been repaced by MS21083 which in turn are superseded by NASM21083. The Part Identification Number (PIN) for MS21083 and the part number for NASM21083 nuts are identical. The part numbers have not been changed.

AVIATIONEU NEW ERA...

AN365 self locking nuts are intended for use in structural applications where the regular height is required. AN365 nuts have been repaced by MS21044 which in turn are superseded by NASM21044. These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely. Fabricated from cadmium plated or stainless steel when the letter "C" is included after the series number (e.g. AN365 cadmium plated, AN365C stainless steel). Cad plated nuts are furnished to military specifications while stainless steel nuts are furnished to military specification and commercial grade.  The Part Identification Number (PIN) for MS21044 and the part number for NASM21044 nuts are identical. The part numbers have not been changed. Sourced from quality producers, NASM21044/MS21044/AN365 series nuts are offered as part of our AVIATIONEU NEW ERA product lines.

AVIATIONEU NEW ERA NASM/MS...

Sourced from quality producers, NASM/MS 21042/21043 and NAS1291 series nuts are offered as part of our AVIATIONEU NEW ERA product lines.

The NAS1291 series lock-nuts are widely used throughout the aerospace industry. They are thin-walled, self-locking nuts with a reduced height and are made of corrosion resisting (stainless) steel or cadmium plated alloy steel with or without dry film lubricant for 450 deg. F use. The nuts from corrosion resisting steel are designated by the letter "C" after NAS1291. The NAS1291 series of nuts ranges in size from 02 to 10, with corresponding thread diameters of .086 to .6250 inches. Some versions of the NAS1291 lock-nut have been superseded by NASM21042/MS21042 and NASM21043/MS21043 series. 

The MS21042 series (superseded by NASM21042 series) are all-metal hexagon reduced height self-locking nuts, rated at 160,000 psi tensile strength, made of cadmium plated steel. They are shorter than the AN363 nut but develop the same tensile strength. They are also  lighter than AN365 nylon lock nuts (an average of 63% lighter for sizes -3 through -6).The NASM21042/MS21042 lock nuts are widely used throughout the aerospace industry together with those of MS21043 series (superseded by NASM21043) all-metal reduced hexagon, reduced height self-locking nuts with a ring base made of corrosion resistance steel and silver plated. Because of their reduced hex dimension, they are widely used in limited space applications where wrench access is a problem. Both are designed for use in high temperature installations (up to 450°F for MS21042 series  and up to 800°F for MS21043 series nuts). They both come without or with or  a dark grey dry film lubricant (Lubed) indicated by the letter "L" in their part number.

The NASM21043/MS21043 series are used to replace certain versions of older NAS1291 series thin-walled reduced height self-locking nuts, made of corrosion resisting (stainless) steel or cadmium plated alloy steel (see product presentation).

For more information please refer to the attached documentation (dash numbers struck through are inactive for new design).

Certification Details:

MS21042M, MILITARY SPECIFICATION SHEET: Nut, Self-Locking, 450 Deg. F, Reduced Hexagon, Reduced Height, Ring Base, Non-Corrosion Resistant Steel (06 Jan 1995) [Superseded by NASM21042].

AN Fitting AN924 Aluminum...

Air Force-Navy AN924 universal nut with flared tube and bulkhead. Used on fittings with corresponding dash number to insure proper fit. Available in steel and aluminum alloy in different tube outer diameters and thread sizes in inches.  Aluminum and steel nuts are designated by the letters "D" and "S" respectively after the dash number.