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 5985-00-800-5438
NSN 6150-00-269-5017
NSN 5895-01-577-1244
NSN 5925-01-177-3177
NSN 5930-01-626-8083
NSN 6220-01-023-0394
NSN 5990-01-416-0362
NSN 6130-00-850-9886
NSN 6110-01-615-7841
NSN 6150-00-196-5257
NSN 6610-00-102-5410
NSN 6135-00-269-5843