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 5998-00-412-2395
NSN 6135-00-643-4843
NSN 5910-01-474-6965
NSN 7035-01-511-4094
NSN 6685-01-232-1979
NSN 2925-00-918-0859
NSN 6105-00-008-6140
NSN 7035-00-490-0485
NSN 2925-01-012-3162
NSN 6685-01-400-4192
NSN 5960-01-335-5238
NSN 5999-01-650-4408