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 6220-01-395-4136
NSN 5835-01-383-1313
NSN 5999-00-445-8802
NSN 5990-01-116-2181
NSN 5930-01-254-2145
NSN 5950-01-238-8601
NSN 6320-01-622-5493
NSN 6150-00-510-0476
NSN 6685-00-279-3620
NSN 6110-01-025-9773
NSN 6220-01-433-7039
NSN 6240-00-553-8891