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 5905-00-739-0764
NSN 6240-01-329-4979
NSN 5910-00-106-8472
NSN 5960-01-310-3863
NSN 6220-01-341-0630
NSN 5960-00-539-6350
NSN 6240-00-774-9302
NSN 5950-01-463-7780
NSN 5925-01-341-6758
NSN 5975-00-186-8884
NSN 6620-01-125-3932
NSN 5855-01-308-0955