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 5999-00-141-0291
NSN 6650-00-216-6365
NSN 6150-00-773-0883
NSN 6130-01-512-8510
NSN 5960-00-344-2586
NSN 5975-01-522-4227
NSN 5905-00-421-3432
NSN 5965-01-419-2251
NSN 6105-01-458-7841
NSN 5998-01-138-6225
NSN 5905-00-176-2695
NSN 6240-00-275-1950