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 6135-01-278-9717
NSN 5965-00-303-9701
NSN 5930-00-707-6899
NSN 6135-00-134-6648
NSN 5855-01-412-9449
NSN 6135-01-461-2915
NSN 5965-01-533-6801
NSN 5930-01-123-2909
NSN 6645-01-659-1583
NSN 5935-01-291-4695
NSN 5905-01-381-6386
NSN 5950-01-112-8447