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 5930-01-600-1588
NSN 6645-00-415-9018
NSN 5855-01-175-3990
NSN 5950-01-551-9560
NSN 5930-01-039-3577
NSN 5925-01-260-6545
NSN 6150-01-223-2700
NSN 5990-01-425-2175
NSN 2925-01-406-6756
NSN 5905-01-494-5568
NSN 6240-01-502-7103
NSN 5915-00-839-5889