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 5998-00-233-9199
NSN 6110-00-408-5697
NSN 6240-01-202-5649
NSN 6620-01-278-8028
NSN 6135-01-054-2462
NSN 6135-01-408-9244
NSN 6650-01-361-9336
NSN 5998-00-105-2914
NSN 5895-01-200-5093
NSN 5960-00-431-8739
NSN 5855-01-120-7831
NSN 5998-01-275-3965