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 7035-00-782-7046
NSN 5895-00-937-0554
NSN 5998-01-559-2057
NSN 6110-01-464-3717
NSN 6240-01-517-6086
NSN 5895-00-458-2480
NSN 6645-01-499-7385
NSN 5999-00-504-9324
NSN 5975-01-524-0637
NSN 2925-01-471-4912
NSN 5990-00-594-7291
NSN 6610-00-006-5783