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 6220-01-592-9122
NSN 4140-01-364-7845
NSN 6145-01-634-0388
NSN 6685-00-435-9487
NSN 5930-01-646-8359
NSN 5855-00-832-9341
NSN 5935-01-248-8991
NSN 6650-01-443-5342
NSN 5905-01-563-6185
NSN 5905-01-594-2937
NSN 5985-01-372-7580
NSN 5950-01-436-0862