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 5996-01-521-2458
NSN 6610-01-346-1426
NSN 6105-01-510-1828
NSN 5950-01-461-3109
NSN 5895-01-412-0627
NSN 5925-00-466-7308
NSN 6645-01-322-8431
NSN 5910-01-348-2115
NSN 6110-00-934-7943
NSN 5996-01-614-9986
NSN 5975-01-541-4972
NSN 5910-01-395-9274