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 6240-00-212-4305
NSN 5985-01-008-4787
NSN 5998-01-063-0039
NSN 5910-01-096-8138
NSN 5935-01-158-4793
NSN 4140-01-216-5118
NSN 6110-01-106-5111
NSN 6645-01-287-7348
NSN 6135-01-177-3552
NSN 5920-01-424-2965
NSN 5835-01-116-2369
NSN 6320-00-500-4172