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 6110-00-311-6664
NSN 4140-00-823-9194
NSN 5920-01-455-6731
NSN 5985-01-431-8610
NSN 5998-00-963-8810
NSN 5915-01-422-1861
NSN 5975-00-827-0756
NSN 5910-01-292-6331
NSN 5999-01-468-0300
NSN 6135-00-738-5571
NSN 5998-00-927-7316
NSN 6150-01-574-5692