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 5950-01-107-4107
NSN 4140-00-956-7626
NSN 6610-01-064-5792
NSN 5950-01-521-4492
NSN 5935-00-814-5647
NSN 5925-01-481-1711
NSN 5895-01-389-9260
NSN 6105-01-657-5349
NSN 7035-00-055-9778
NSN 6110-00-633-5253
NSN 6610-01-424-0283
NSN 6650-00-903-6670