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 5910-01-305-4600
NSN 5855-01-394-7125
NSN 5855-01-142-7530
NSN 4140-00-768-2855
NSN 6145-00-466-4068
NSN 5945-00-404-0374
NSN 5920-01-010-3293
NSN 5945-01-249-2666
NSN 5910-00-239-3191
NSN 5990-00-105-7831
NSN 5905-01-391-6834
NSN 5920-00-182-9948