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 6320-01-194-1253
NSN 5920-01-501-1105
NSN 6110-00-241-5528
NSN 6620-01-102-0008
NSN 5930-01-432-1820
NSN 6220-00-018-4484
NSN 6135-00-448-5642
NSN 6130-01-570-2880
NSN 5915-00-770-2563
NSN 5998-01-025-1304
NSN 6320-00-450-7014
NSN 6110-01-436-5678