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 6145-00-243-8466
NSN 4140-01-491-9655
NSN 5925-01-649-7842
NSN 6320-01-506-9439
NSN 5895-01-429-0257
NSN 2925-00-150-7334
NSN 6620-01-106-6510
NSN 5950-01-577-8485
NSN 5965-01-377-3587
NSN 4140-01-503-3160
NSN 6685-01-494-9626
NSN 5835-01-042-5315