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 6135-01-049-5980
NSN 6610-01-590-7222
NSN 6610-01-577-5404
NSN 5960-01-215-0992
NSN 6610-00-197-7648
NSN 5999-01-406-4911
NSN 5996-01-419-9748
NSN 6610-00-574-6198
NSN 6650-00-279-5741
NSN 6685-01-642-7229
NSN 5996-01-113-0377
NSN 5945-00-290-1779