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 6620-01-576-4308
NSN 6130-01-206-1048
NSN 6130-00-112-0716
NSN 5950-00-816-9913
NSN 5985-01-444-8788
NSN 6620-01-198-9448
NSN 5950-00-962-2923
NSN 6645-00-462-0097
NSN 5895-01-032-4619
NSN 5996-01-641-9542
NSN 5975-00-134-9779
NSN 5965-01-140-9446