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 6320-01-326-1316
NSN 6150-01-239-1143
NSN 5920-01-596-2792
NSN 5990-01-071-1505
NSN 6610-01-275-9771
NSN 5945-01-215-7238
NSN 5895-01-502-8217
NSN 5985-01-330-3384
NSN 5935-01-095-1210
NSN 5998-00-697-1432
NSN 6110-01-050-8119
NSN 5990-00-888-7761