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 6220-01-439-4634
NSN 6320-01-244-9268
NSN 6240-01-278-8802
NSN 5975-00-258-3056
NSN 6620-01-644-3496
NSN 6130-01-163-8022
NSN 6620-00-920-1671
NSN 6240-00-472-4635
NSN 6145-01-656-6346
NSN 5930-00-861-7983
NSN 5910-01-239-0932
NSN 5910-01-388-2895