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 6620-01-488-9547
NSN 6650-01-072-3698
NSN 5945-01-591-4864
NSN 5910-01-524-4876
NSN 6645-00-818-9408
NSN 6105-00-438-9131
NSN 5920-01-381-2597
NSN 5930-01-281-0646
NSN 5990-01-361-4192
NSN 5920-01-029-8496
NSN 5895-01-629-5573
NSN 5855-01-451-6430