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 6145-00-778-2885
NSN 6105-01-415-5555
NSN 6220-00-291-3722
NSN 6650-01-441-5339
NSN 5925-01-519-3249
NSN 6110-01-126-7149
NSN 5920-01-118-0309
NSN 6620-01-594-0105
NSN 4140-01-421-0071
NSN 7035-01-026-1171
NSN 5960-00-834-9107
NSN 5835-00-707-6266