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 6620-01-364-0195
NSN 5895-00-163-9159
NSN 6620-01-158-9412
NSN 6130-01-618-2472
NSN 5998-01-047-2119
NSN 5975-01-647-0488
NSN 5925-01-508-0905
NSN 6145-01-429-8529
NSN 6135-00-170-8819
NSN 6145-01-159-5792
NSN 5915-01-494-9550
NSN 6220-00-976-3390