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 5975-01-374-8597
NSN 5950-01-041-0775
NSN 6150-01-633-5190
NSN 5998-01-444-9776
NSN 6620-01-144-2488
NSN 5950-00-345-9509
NSN 6320-01-108-5933
NSN 7035-01-331-5614
NSN 5855-01-382-8725
NSN 5895-00-958-2011
NSN 5985-01-559-6052
NSN 5999-01-595-6440