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 6645-01-188-5237
NSN 6645-00-754-4108
NSN 5925-01-409-2616
NSN 5996-00-231-9322
NSN 6110-01-383-4709
NSN 6105-01-513-2529
NSN 5910-01-526-8891
NSN 5975-01-191-6206
NSN 5960-00-268-3200
NSN 5910-00-453-8796
NSN 5920-01-246-0706
NSN 6130-00-518-1723