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 6650-01-375-8207
NSN 2925-00-082-8219
NSN 5915-01-107-5851
NSN 6110-01-089-8130
NSN 6650-01-502-6761
NSN 5960-01-179-4009
NSN 5930-00-707-6899
NSN 5999-00-186-9314
NSN 6610-01-123-2276
NSN 6240-01-297-4329
NSN 6685-01-178-9369
NSN 6135-01-395-2388