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 5998-01-446-6333
NSN 5950-01-144-5555
NSN 6645-00-321-6071
NSN 6320-01-072-2073
NSN 6110-01-183-5480
NSN 6320-00-299-3090
NSN 6620-00-777-3481
NSN 5990-00-111-3614
NSN 5905-01-437-7768
NSN 5998-01-338-0994
NSN 5835-01-528-7454
NSN 6150-01-464-4008