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 5950-01-601-9980
NSN 6620-00-754-4914
NSN 6610-01-023-1918
NSN 4140-01-338-2154
NSN 6620-01-076-1340
NSN 5920-00-404-1078
NSN 5930-01-416-9483
NSN 5915-01-467-1630
NSN 6650-01-193-5911
NSN 5935-00-802-4027
NSN 5910-01-398-9568
NSN 5975-01-601-0906