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 5925-00-781-4535
NSN 5835-01-128-9331
NSN 6645-00-845-1071
NSN 6130-00-309-2388
NSN 4140-01-463-3434
NSN 5915-01-339-4469
NSN 6650-01-179-9349
NSN 6610-01-276-7087
NSN 5960-00-736-8568
NSN 6610-01-437-2506
NSN 6220-01-233-1534
NSN 5975-01-226-8962