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 6110-01-385-8863
NSN 6145-01-065-7547
NSN 5996-01-215-0944
NSN 7035-01-211-5636
NSN 5910-01-241-9739
NSN 6685-01-559-0660
NSN 5895-00-661-1773
NSN 6150-00-221-5122
NSN 5915-01-547-9960
NSN 5950-01-422-2060
NSN 5905-00-960-8451
NSN 5975-00-058-2229