An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.
NSN 6110-01-522-5022
NSN 5910-01-164-5590
NSN 5999-00-007-8127
NSN 5920-01-587-7579
NSN 5950-01-582-8159
NSN 5998-01-250-6055
NSN 5950-00-553-6037
NSN 5855-01-224-7975
NSN 4140-01-004-9177
NSN 5910-01-266-1356
NSN 5975-00-445-9926
NSN 6150-00-846-6994