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 5905-01-277-3177
NSN 5915-01-633-9845
NSN 6650-00-466-1697
NSN 5990-01-544-0364
NSN 7035-01-189-1549
NSN 6105-00-824-8422
NSN 5895-01-652-0552
NSN 7035-01-658-1623
NSN 4140-00-045-8117
NSN 6610-00-463-1866
NSN 5855-01-574-7092
NSN 6220-00-782-2058