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 5910-00-542-2992
NSN 4140-01-291-9342
NSN 5945-00-125-3218
NSN 5895-01-455-9642
NSN 5996-00-344-9459
NSN 4140-01-469-2266
NSN 6135-01-633-8502
NSN 5905-01-510-3803
NSN 6650-01-468-7704
NSN 6685-00-682-7459
NSN 5960-00-297-7099
NSN 6240-01-351-3747