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 5905-00-697-2761
NSN 5920-00-394-9529
NSN 5975-00-045-9819
NSN 5905-01-473-6193
NSN 6110-00-887-4796
NSN 6145-01-100-7104
NSN 6650-00-171-4175
NSN 5965-00-503-2991
NSN 5999-01-491-1512
NSN 5960-01-573-6483
NSN 5895-00-990-6542
NSN 6650-01-646-1643