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 6610-01-281-7536
NSN 5945-01-019-1286
NSN 6135-00-209-6918
NSN 4140-01-155-0508
NSN 6620-01-420-6831
NSN 6130-01-242-9778
NSN 5910-01-144-0634
NSN 5895-00-188-3350
NSN 6130-00-297-5793
NSN 6150-01-057-5048
NSN 6650-01-142-1688
NSN 6145-01-028-3808