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 6145-01-230-3595
NSN 5905-01-103-5121
NSN 6240-01-234-1594
NSN 5990-00-768-9341
NSN 6240-01-608-4990
NSN 6610-00-339-2981
NSN 6320-00-937-5625
NSN 5930-00-351-9665
NSN 5925-01-551-4116
NSN 5999-00-830-4607
NSN 5990-00-283-1324
NSN 5985-01-581-3584