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 5905-01-376-4141
NSN 5930-00-803-3191
NSN 5945-01-247-7414
NSN 6110-01-495-7010
NSN 5950-01-652-8426
NSN 6240-01-514-2202
NSN 5920-01-439-5704
NSN 5945-00-241-6252
NSN 6110-01-306-2932
NSN 5910-01-105-6267
NSN 5975-01-004-2009
NSN 5835-01-167-1824