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.
NSN 4140-01-424-0841
NSN 6110-01-444-3302
NSN 5990-01-483-7313
NSN 6130-01-439-6231
NSN 5999-00-468-4150
NSN 6240-01-200-7937
NSN 6685-01-658-3065
NSN 5920-00-529-0618
NSN 5999-00-233-6366
NSN 5945-01-114-3277
NSN 6150-00-840-6405
NSN 5910-01-532-9276