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 5935-00-235-5673
NSN 6645-01-341-8027
NSN 5985-01-305-1193
NSN 2925-01-446-6523
NSN 4140-00-823-4438
NSN 2925-01-085-0691
NSN 6645-00-192-1152
NSN 6620-00-790-6969
NSN 5935-00-050-5129
NSN 6135-01-045-1504
NSN 5835-01-460-0582
NSN 5895-00-795-9373