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 5960-00-275-7497
NSN 6135-01-086-0809
NSN 6650-01-310-3437
NSN 6610-01-342-2319
NSN 6240-00-557-7471
NSN 5965-00-879-7287
NSN 6685-00-203-4485
NSN 6650-00-397-6893
NSN 6105-00-989-1058
NSN 6150-00-395-2867
NSN 6610-01-584-4787
NSN 5925-01-051-5537