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 5950-01-065-2288
NSN 6220-01-222-2146
NSN 6150-01-492-6259
NSN 2925-01-327-3069
NSN 5999-01-624-7928
NSN 5998-01-443-1648
NSN 6105-01-162-8775
NSN 6130-00-567-0626
NSN 5975-01-502-4465
NSN 6645-01-510-3496
NSN 5855-00-779-2854
NSN 6145-01-430-4697