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 2925-00-290-7052
NSN 6135-00-248-4102
NSN 5915-00-375-0347
NSN 5965-01-101-9094
NSN 5915-01-261-2236
NSN 6135-01-048-0910
NSN 5996-00-698-3971
NSN 6620-00-227-6776
NSN 6620-01-569-4621
NSN 5996-01-206-0434
NSN 6240-00-150-6754
NSN 5990-01-290-4787