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 4140-00-516-5002
NSN 5935-00-618-0209
NSN 6620-01-253-0374
NSN 5985-01-278-8572
NSN 5930-01-531-4185
NSN 6130-00-116-8170
NSN 5905-00-179-9596
NSN 7035-00-585-2113
NSN 6150-00-153-3196
NSN 6650-01-209-6318
NSN 6135-01-415-1163
NSN 2925-01-547-4565