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 6650-00-650-8080
NSN 5960-01-485-7532
NSN 5999-01-565-4638
NSN 6135-01-465-2681
NSN 5895-00-216-5849
NSN 5935-01-146-0945
NSN 6105-00-527-7702
NSN 5905-01-462-1214
NSN 5999-01-020-7641
NSN 4140-01-326-2347
NSN 6110-00-813-8181
NSN 5985-01-425-8828