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 6320-00-894-1644
NSN 5960-01-248-4743
NSN 5999-01-387-4924
NSN 5985-01-270-4685
NSN 5895-01-562-7969
NSN 6145-00-477-0409
NSN 6105-01-411-9189
NSN 5975-01-350-4067
NSN 5999-01-481-3744
NSN 6130-00-688-7085
NSN 6150-00-444-9663
NSN 5920-00-271-3217