Worldwide distributor of NSN parts and consumables located in the USA.
Thread: 1/4-28, self locking nut, hexagon, low height, aluminum alloy, nylon insert, 250° , , anodized
National Stock Number (NSN) | 5310-00-922-9081 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5310 |
Unit of Measure (UOM) | 20 /Ea. |
Thread Class | 3b |
Thread Direction | Right-hand |
Locking Feature | Prevailing torque with nonmetallic insert |
Lubrication | Soluble lubricant |
Nut Style | Hexagon |
Nut Height | 0.219 inches |
End Application | Sonar sets, an/bqs-14a/15; arleigh burke class ddg; aircraft (ac-130h, mc-130h, ec-130e, hc-130); aircraft, osprey v-22a, marine corps; aircraft, airlifter c-17a; surface minesweeping systems; los angeles class ssn (688); engine, aircraft, tf-33-p-7 (c-141a/b); aircraft, osprey v-22a, air force; ah-64-d longbow; ticonderoga class cg (47); fms - build frigates class ships |
Width Across Flats | Between 0.430 inches and 0.439 inches |
Tempurature Rating | 250.0 degrees fahrenheit |
Thread Series | Unjf |
Thready Qty Per Inch (tpi) | 28 |
Thread Size | 0.250 inches |
Countersink Angle | 88.0 degrees nut |
Bearing Surface Type | Chamfered or washer faced |
Bearing Surface Finish | 125.0 microinches |
Material | Aluminum alloy nut |
Material | Plastic polyamide locking insert |
Surface Treatment | Anodize except insert or chromate except insert |
Surface Treatment Specification | Mil-a-8625 military specification 1st treatment response except insert or mil-c-5541 military specification 2nd treatment response except insert |
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