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 5930-00-127-8214
NSN 5960-01-578-5537
NSN 6130-01-221-1673
NSN 2925-01-358-8346
NSN 6130-01-203-8049
NSN 6150-01-337-2136
NSN 5999-01-136-9161
NSN 5920-01-068-1483
NSN 6685-01-350-7691
NSN 6220-01-586-3218
NSN 6145-00-188-3657
NSN 6320-00-228-5678