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 5935-01-473-2820
NSN 5895-01-329-7562
NSN 6645-01-569-0491
NSN 5975-00-162-9530
NSN 6645-00-189-7075
NSN 4140-00-483-9641
NSN 6685-01-424-8046
NSN 5965-01-416-4059
NSN 5915-00-636-9785
NSN 6685-00-581-2198
NSN 5905-01-051-6031
NSN 6240-00-391-6402