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 6220-00-981-3057
NSN 5965-00-400-6228
NSN 5930-01-613-4300
NSN 5990-01-183-6478
NSN 5905-00-221-5147
NSN 6150-00-152-7412
NSN 5930-01-448-1828
NSN 5915-00-155-7626
NSN 5960-01-047-5155
NSN 5960-01-323-6432
NSN 6650-01-502-0254
NSN 6105-01-055-6569