An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5925-00-523-9158
NSN 5996-01-577-9696
NSN 5915-00-584-3512
NSN 5996-01-566-8996
NSN 5925-00-275-7599
NSN 5965-00-934-3495
NSN 6620-00-445-8325
NSN 6240-01-104-5693
NSN 6110-00-453-8971
NSN 6130-00-630-1494
NSN 5905-00-299-2111
NSN 5905-01-634-0595