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 5975-00-510-6815
NSN 6150-01-400-4211
NSN 5895-01-262-2856
NSN 6320-01-476-7702
NSN 5895-01-412-0739
NSN 6620-00-736-3218
NSN 5905-01-414-5543
NSN 6320-01-092-4101
NSN 6610-00-042-8461
NSN 6110-01-430-2408
NSN 5925-01-572-3263
NSN 5835-01-250-2939