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 5930-01-587-6550
NSN 5960-01-504-3415
NSN 5905-00-557-4701
NSN 5999-00-081-9413
NSN 6240-00-183-0570
NSN 2925-01-041-8201
NSN 5925-00-994-3398
NSN 5925-01-326-4289
NSN 6220-01-425-1588
NSN 5945-00-930-5824
NSN 5920-00-261-9848
NSN 6650-01-399-8552