A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6320-00-977-3930
NSN 6220-01-300-5503
NSN 6135-01-523-3198
NSN 4140-01-647-4488
NSN 5975-01-401-5355
NSN 5925-00-571-0415
NSN 2925-00-408-9829
NSN 6145-00-382-6199
NSN 5985-00-770-2447
NSN 5999-00-529-0157
NSN 5930-00-833-7090
NSN 6240-01-391-5373