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 5960-01-515-4791
NSN 5905-01-212-2792
NSN 5915-00-518-1644
NSN 6685-01-106-7672
NSN 5975-00-141-8513
NSN 5945-00-257-4073
NSN 5895-01-020-5377
NSN 5920-01-037-1505
NSN 5960-01-515-4791
NSN 5925-01-251-1342
NSN 5950-01-050-0593
NSN 5915-00-805-9250