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 6110-00-873-1701
NSN 5905-01-370-3964
NSN 5950-00-239-3979
NSN 6240-01-507-7827
NSN 6645-00-595-5431
NSN 5930-01-496-7678
NSN 5920-01-605-1285
NSN 6135-00-284-1406
NSN 5996-01-430-5571
NSN 6150-00-269-5017
NSN 2925-00-566-4522
NSN 7035-01-271-1643