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 5990-01-042-1984
NSN 5960-01-032-4229
NSN 5910-01-449-4640
NSN 5965-00-711-6419
NSN 6220-00-564-2868
NSN 5925-00-887-4241
NSN 5975-00-900-6083
NSN 6130-00-502-3196
NSN 5835-01-214-5402
NSN 7035-00-104-7613
NSN 5965-01-354-8442
NSN 5999-01-215-3256