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 5960-01-076-4708
NSN 6645-01-327-7362
NSN 5905-00-794-7669
NSN 5905-01-386-6841
NSN 6645-00-692-2809
NSN 6610-01-027-8736
NSN 6110-01-004-9870
NSN 4140-01-197-8148
NSN 4140-01-297-4182
NSN 5835-01-642-4705
NSN 5975-00-398-9716
NSN 6620-01-510-3501