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 4140-01-449-2903
NSN 6240-01-045-9269
NSN 5950-01-006-7865
NSN 6145-01-322-5520
NSN 5925-00-882-1600
NSN 5905-01-417-7358
NSN 5990-01-159-5988
NSN 5925-01-338-1465
NSN 4140-01-276-2436
NSN 5855-00-149-0766
NSN 5905-01-381-6386
NSN 5935-01-390-2475