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 6220-01-491-0236
NSN 5998-00-766-9430
NSN 6110-00-466-1674
NSN 2925-00-215-4954
NSN 6150-01-462-2642
NSN 5855-01-006-1827
NSN 5895-01-388-1500
NSN 6620-00-888-3179
NSN 6620-01-327-4111
NSN 6610-01-088-3050
NSN 6145-01-020-8428
NSN 6645-01-281-4842