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 6685-01-339-0438
NSN 5920-01-188-8833
NSN 5998-01-324-6415
NSN 6130-01-115-8438
NSN 5996-00-982-4972
NSN 2925-01-092-7335
NSN 5950-01-634-0677
NSN 5920-01-349-0012
NSN 2925-00-004-1278
NSN 5920-01-024-9190
NSN 6240-01-420-8323
NSN 5960-00-333-3540