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 5905-01-621-7643
NSN 5935-01-054-3862
NSN 5998-00-148-7439
NSN 5945-01-083-9913
NSN 5985-01-480-9482
NSN 5895-00-820-1997
NSN 5965-00-826-0282
NSN 5855-01-286-9928
NSN 5945-01-113-7250
NSN 6685-01-255-0033
NSN 5935-00-089-6513
NSN 5999-01-482-1830