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 5930-01-435-2260
NSN 5920-01-649-3942
NSN 6240-01-158-6601
NSN 6685-00-989-6921
NSN 5835-00-166-9413
NSN 5925-01-083-2336
NSN 2925-01-448-2880
NSN 7035-00-358-0470
NSN 6320-01-506-9439
NSN 5965-00-253-0297
NSN 2925-01-098-9549
NSN 5960-01-397-6173