A cylindrical-shaped nut, internally and externally threaded, with a flanged cone or ball seat and a square wrenching head. The internal threads are used to secure the inner wheel and the external threads receive the outer wheel securing nut.
Classification: Nuts of iron or steel
NSN 5998-01-211-6521
NSN 5905-00-753-0299
NSN 5990-00-594-7291
NSN 6620-00-924-4369
NSN 5960-01-360-3639
NSN 6650-01-050-5974
NSN 5920-00-563-3161
NSN 5905-01-592-2456
NSN 5905-00-064-7571
NSN 6145-01-055-6976
NSN 5910-01-480-7538
NSN 6610-00-984-6528