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 5975-01-251-4595
NSN 5910-01-045-8170
NSN 5960-00-752-1012
NSN 5975-00-425-4701
NSN 5920-00-100-2582
NSN 5835-01-540-4995
NSN 5960-01-257-0225
NSN 5985-00-986-3614
NSN 5935-00-177-0932
NSN 6620-01-115-1307
NSN 5998-01-576-0391
NSN 5990-01-347-1478