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 6610-00-999-9177
NSN 6610-00-881-1189
NSN 5960-01-162-2304
NSN 6220-00-926-1331
NSN 6320-00-513-8376
NSN 5965-00-051-6434
NSN 6150-01-331-7120
NSN 5945-01-507-5526
NSN 5915-01-181-5603
NSN 6145-01-327-3328
NSN 5950-01-212-0731
NSN 5895-01-072-8177