
AVIATIONEU NEW ERA...
Flared tube coupling nuts conforming SAE International standard AS5175 are used for a leak-free solution on aircraft and other applications replacing respective AN818 parts. They are offered as part of our own (AVIATIONEU NEW ERA) product lines in different materials and grades and multiple thread sizes to suit application needs. Material Code Letters in the part numbers indicate the composition of the fitting (No code for Steel 1137 or 4130, "D" for Aluminum alloys (except 7075-T73), "J" for 304 Stainless Steel (CRES 304), "K" for 316 Stainless Steel (CRES 316), "T" for Titanium 64AI-4V or "W" for Aluminum 7075-T73. These nuts are designed to be used with AS5176 and MS20819 sleeves. The 2 digits after the series code indicate the tubing outer diameter (O.D.) in inches. Finish code “V” in the PN indicates high purity Aluminum coating for “W” or “D” fittings. Depending on their Part Number they are sold in pieces but also in packs a with specified number of fittings indicated after the letters "PK" in the product reference number (SKU).
Note: In SAE AS standards for new designs, aluminum fittings with material code letter D in their Part or Identifying Number (PIN) are replaced by those with material code letter W for Aluminum Alloy 7075-T73 providing a higher tensile strength.