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 5960-01-223-1203
NSN 6240-01-523-4241
NSN 6130-00-316-9412
NSN 6620-01-215-0470
NSN 5960-00-171-9575
NSN 6240-01-164-9175
NSN 5960-00-728-5209
NSN 5895-00-246-4415
NSN 5855-01-496-5793
NSN 2925-01-444-2061
NSN 6145-01-003-9741
NSN 6150-00-133-8515