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 5920-01-495-2225
NSN 6645-00-851-6654
NSN 6320-00-894-1644
NSN 5855-01-387-8827
NSN 5965-00-372-2537
NSN 5990-00-170-4239
NSN 5895-00-222-5043
NSN 5930-00-788-4844
NSN 5930-00-959-7845
NSN 5895-01-611-3523
NSN 2925-01-646-9112
NSN 5855-01-142-7530