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 6620-01-580-6681
NSN 5915-01-003-7945
NSN 6150-01-018-3764
NSN 6145-01-477-9204
NSN 6650-01-091-4241
NSN 5910-01-412-0709
NSN 6650-00-349-8732
NSN 5920-00-204-8125
NSN 5975-01-578-6278
NSN 6150-01-610-0080
NSN 5895-01-406-5134
NSN 5920-01-624-5901