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 6105-00-065-7947
NSN 6620-01-421-6949
NSN 6135-00-110-1981
NSN 5999-01-014-6512
NSN 6145-01-251-7652
NSN 5835-01-238-3381
NSN 6240-01-633-9357
NSN 5835-00-729-9305
NSN 5910-01-056-5111
NSN 2925-00-127-7828
NSN 5985-00-501-5249
NSN 5996-01-554-4783