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 5930-00-260-4315
NSN 6145-00-967-3143
NSN 5990-00-395-5703
NSN 6240-01-614-1638
NSN 6620-01-197-5436
NSN 6320-01-624-0193
NSN 5925-00-882-3268
NSN 6150-01-385-1777
NSN 5965-00-387-6880
NSN 6610-01-381-0652
NSN 5999-00-247-1352
NSN 5905-01-583-3098