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 5855-00-610-4052
NSN 5930-01-123-8758
NSN 6130-00-639-0666
NSN 5935-00-443-5857
NSN 6610-00-371-5953
NSN 6650-00-578-6543
NSN 6610-01-370-8748
NSN 5915-01-006-7821
NSN 6610-01-245-8015
NSN 6110-00-715-3393
NSN 6145-01-422-0015
NSN 6135-01-167-7604