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 5905-00-773-6149
NSN 6320-00-004-9158
NSN 5960-00-989-8678
NSN 6220-01-306-9107
NSN 6110-01-537-7508
NSN 5960-01-505-2426
NSN 5965-00-959-4910
NSN 5990-01-627-8097
NSN 6135-00-958-7981
NSN 6150-01-550-9770
NSN 6145-01-547-9466
NSN 6240-01-183-5425