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 5920-01-136-2260
NSN 6135-01-136-1059
NSN 6685-01-487-8394
NSN 6150-01-194-6518
NSN 5910-00-609-4124
NSN 5855-01-477-5332
NSN 5998-01-557-7158
NSN 6240-01-456-9583
NSN 5999-00-167-5450
NSN 6650-01-050-4809
NSN 5895-01-315-8140
NSN 5965-01-455-3738