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 6145-01-119-3176
NSN 5999-00-911-3775
NSN 5945-00-780-0698
NSN 5920-01-077-5325
NSN 5985-00-217-7240
NSN 6105-00-966-5079
NSN 6145-00-903-3491
NSN 4140-01-251-6797
NSN 5965-01-396-7508
NSN 5855-01-317-5354
NSN 5950-01-067-7400
NSN 2925-01-099-7075