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 5965-00-583-4865
NSN 5920-01-181-6776
NSN 5895-01-384-7522
NSN 5925-01-448-9590
NSN 6320-01-192-0332
NSN 6650-00-937-5319
NSN 2925-00-365-3289
NSN 5945-01-598-1225
NSN 6110-01-154-9172
NSN 5935-00-706-7103
NSN 5905-01-565-0357
NSN 6105-00-927-5039