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 5915-01-173-2904
NSN 5930-00-370-0216
NSN 5920-01-070-4601
NSN 5930-01-123-2418
NSN 4140-01-227-6918
NSN 6105-00-905-3135
NSN 4140-01-550-3438
NSN 5935-01-246-4587
NSN 6650-01-565-8316
NSN 5999-01-039-4185
NSN 6685-01-217-6292
NSN 4140-00-988-5427