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 5925-01-005-4983
NSN 5996-00-900-5251
NSN 5990-00-446-0518
NSN 5960-00-975-2540
NSN 5975-00-187-5305
NSN 5999-01-155-8597
NSN 5920-01-003-8110
NSN 6645-00-435-5610
NSN 5985-00-300-3970
NSN 5835-00-279-6626
NSN 6610-00-518-4919
NSN 5999-01-363-4189