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 5960-01-648-1872
NSN 5930-01-396-2945
NSN 5905-00-177-7833
NSN 6620-01-098-2960
NSN 6685-01-499-1995
NSN 2925-00-939-1979
NSN 5855-01-154-1402
NSN 5985-00-581-5285
NSN 6320-01-547-9877
NSN 5945-00-106-0332
NSN 6320-01-512-2031
NSN 5960-01-142-1995