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 5920-00-117-8280
NSN 5855-00-189-6066
NSN 6610-00-695-2280
NSN 5975-01-392-0436
NSN 5985-01-323-0270
NSN 6135-01-247-5660
NSN 5915-01-604-8791
NSN 5996-00-379-8785
NSN 5925-01-406-3490
NSN 6620-00-299-2530
NSN 5985-01-423-0581
NSN 5990-01-462-1617