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 5905-00-938-4395
NSN 7035-01-495-3146
NSN 6610-01-297-7004
NSN 6610-01-358-1161
NSN 6685-00-900-8060
NSN 5975-01-496-0171
NSN 6650-01-358-7055
NSN 5925-01-088-6863
NSN 5905-01-008-9272
NSN 2925-00-474-4990
NSN 4140-01-556-8911
NSN 5935-01-269-7188