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 5925-00-014-6541
NSN 5985-01-024-2998
NSN 7035-01-399-5354
NSN 6135-00-112-8637
NSN 5975-01-108-0213
NSN 5975-00-255-6095
NSN 2925-00-221-4977
NSN 6145-01-508-5449
NSN 6220-00-052-6316
NSN 6240-00-006-3725
NSN 5915-01-567-2741
NSN 7035-01-227-2546