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 6320-01-176-8367
NSN 5895-01-389-4015
NSN 6110-01-308-0928
NSN 6650-01-570-4795
NSN 6620-01-570-4026
NSN 5935-00-280-3116
NSN 5925-00-928-8261
NSN 6145-00-398-4405
NSN 6620-00-555-3992
NSN 5910-01-485-1118
NSN 5835-01-485-0210
NSN 6610-01-327-0500