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 6145-00-452-4501
NSN 6135-01-383-0151
NSN 5975-01-585-7513
NSN 6105-00-715-0842
NSN 6320-01-582-6668
NSN 6320-01-476-0686
NSN 5975-01-549-9335
NSN 6135-01-424-8130
NSN 5920-01-643-7338
NSN 6240-01-188-7282
NSN 4140-01-030-8527
NSN 7035-00-445-9657