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 5998-01-144-3540
NSN 5895-01-288-5144
NSN 5965-01-065-5544
NSN 5985-00-677-8336
NSN 5930-00-067-8622
NSN 5905-01-209-0160
NSN 6130-00-681-1496
NSN 5960-01-539-1956
NSN 5905-01-631-8283
NSN 5925-01-256-8511
NSN 5855-01-483-2774
NSN 6150-01-025-7338