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 6650-00-266-6808
NSN 5920-01-133-5286
NSN 6645-01-340-7354
NSN 6620-01-367-2597
NSN 5999-00-673-1610
NSN 6145-01-054-6022
NSN 6620-00-226-2285
NSN 6110-01-082-6792
NSN 6130-01-368-2123
NSN 5998-00-464-1070
NSN 6130-00-765-2255
NSN 5950-01-079-3181