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 6650-01-505-3637
NSN 5895-00-419-4514
NSN 5998-01-459-9906
NSN 6150-01-157-8726
NSN 6150-00-548-3228
NSN 5965-01-180-7070
NSN 5910-01-421-8279
NSN 5975-00-456-2257
NSN 4140-00-299-0595
NSN 4140-00-490-9028
NSN 5996-01-275-7064
NSN 6220-00-087-0284