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 5895-00-753-5349
NSN 5855-01-650-3762
NSN 5920-00-890-0916
NSN 6145-01-314-0922
NSN 6145-01-410-8322
NSN 7035-01-429-7954
NSN 5895-01-391-2728
NSN 5895-00-260-1806
NSN 6620-01-500-6184
NSN 5945-00-406-4242
NSN 6645-01-450-7271
NSN 5950-01-026-1040