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 5935-01-314-9060
NSN 6645-01-220-7490
NSN 5996-01-544-6174
NSN 5965-00-617-5731
NSN 5996-01-461-8320
NSN 6610-01-471-2017
NSN 5855-01-576-2600
NSN 5950-01-564-7699
NSN 5975-01-192-8694
NSN 6320-00-036-3688
NSN 2925-01-556-0333
NSN 5910-01-408-2457