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 5960-01-223-9466
NSN 5965-01-562-4255
NSN 5975-01-564-1075
NSN 5998-01-231-4747
NSN 5920-00-463-9890
NSN 5935-01-091-6168
NSN 6150-01-098-7395
NSN 5910-01-602-8415
NSN 6620-01-507-3276
NSN 5996-00-476-7030
NSN 2925-01-570-3696
NSN 6240-00-646-6931