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 5999-01-196-2050
NSN 7035-00-188-6674
NSN 6150-01-449-1339
NSN 2925-01-616-9370
NSN 5920-00-900-4924
NSN 6240-00-201-9011
NSN 6105-01-551-8616
NSN 6145-01-148-5948
NSN 2925-00-816-8765
NSN 6130-00-448-6966
NSN 5950-00-378-0940
NSN 6645-00-586-7198