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 5915-01-631-2923
NSN 5965-01-167-3204
NSN 6130-01-043-8253
NSN 5945-01-153-0268
NSN 2925-00-163-9016
NSN 5990-00-140-1159
NSN 5895-00-160-6535
NSN 5930-00-409-2074
NSN 6105-01-315-5138
NSN 5920-00-818-8848
NSN 6650-01-463-4564
NSN 5950-01-292-9147