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 6685-01-008-3451
NSN 6685-01-429-8298
NSN 4140-00-071-2209
NSN 5945-00-373-2833
NSN 6240-01-371-7475
NSN 5920-01-282-9865
NSN 5920-00-269-6178
NSN 6240-01-319-2549
NSN 7035-00-800-0770
NSN 5925-01-418-6877
NSN 6220-01-052-3986
NSN 6685-01-598-2696