A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5915-00-102-6809
NSN 5990-00-050-1673
NSN 5895-01-112-0175
NSN 5998-01-229-7090
NSN 5975-00-762-1251
NSN 6220-01-498-0876
NSN 4140-01-523-3459
NSN 5945-01-221-5403
NSN 6610-00-682-6215
NSN 6620-01-508-5640
NSN 5990-01-050-7535
NSN 5990-01-644-3095