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 5985-01-473-8804
NSN 5996-01-380-0426
NSN 5999-01-644-3728
NSN 2925-01-645-2948
NSN 6220-01-068-4066
NSN 5935-01-391-0203
NSN 6150-01-018-8638
NSN 6145-01-044-6666
NSN 5895-00-434-9097
NSN 5930-00-891-9755
NSN 5975-01-630-9216
NSN 6150-00-081-0781