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 5990-00-786-9042
NSN 6240-01-261-2861
NSN 5950-01-576-1313
NSN 6135-00-756-3087
NSN 5950-01-642-7526
NSN 5950-01-268-1573
NSN 6105-00-394-6803
NSN 6220-01-524-9142
NSN 5910-00-312-5846
NSN 5935-01-204-9546
NSN 5910-01-628-4935
NSN 5990-00-867-6873