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 6620-01-454-2450
NSN 5998-01-240-3120
NSN 6145-01-202-3539
NSN 5935-00-905-7764
NSN 5930-01-571-6181
NSN 6645-00-791-5284
NSN 5920-01-660-5749
NSN 5905-00-865-2158
NSN 5950-01-035-9736
NSN 5999-01-513-8522
NSN 6110-00-974-2046
NSN 6645-01-644-1354