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 5990-01-337-9859
NSN 6130-01-192-7268
NSN 5905-01-522-4017
NSN 5965-00-524-5521
NSN 6610-01-417-3011
NSN 6150-01-110-8662
NSN 5965-01-352-4906
NSN 6220-01-484-0365
NSN 6145-01-475-3587
NSN 6645-00-985-5543
NSN 5998-01-327-0827
NSN 2925-00-441-8252