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 5960-01-426-4242
NSN 6145-01-448-9332
NSN 5920-01-116-1789
NSN 6135-01-098-3020
NSN 6135-01-532-7951
NSN 6110-01-174-4422
NSN 5975-00-051-7337
NSN 5998-01-535-6790
NSN 5965-01-113-9061
NSN 5855-00-198-3197
NSN 6685-01-513-0798
NSN 6130-00-839-6148