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 5835-01-360-2657
NSN 6650-00-754-2276
NSN 6620-00-452-5738
NSN 5996-01-429-0390
NSN 5945-01-119-1347
NSN 6220-01-075-6547
NSN 5990-01-201-4852
NSN 6145-00-517-6666
NSN 5920-01-301-0190
NSN 6145-00-260-8822
NSN 5996-01-367-0778
NSN 5920-00-617-2084