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 5920-01-624-4586
NSN 6650-01-573-7165
NSN 5895-01-350-3116
NSN 5998-00-661-0380
NSN 6105-01-105-0042
NSN 5895-00-826-2988
NSN 5905-00-395-0282
NSN 5990-01-485-0260
NSN 5985-00-445-8022
NSN 5855-00-058-1293
NSN 5985-01-465-6220
NSN 5950-00-677-5997