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 4140-00-736-8813
NSN 5835-01-042-0497
NSN 6620-01-106-3553
NSN 5985-01-634-0635
NSN 6610-01-505-6767
NSN 6620-01-459-6401
NSN 6620-00-578-5851
NSN 5935-00-012-4200
NSN 5915-01-203-1131
NSN 5975-00-774-5556
NSN 5950-01-384-1714
NSN 6645-01-259-7142