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 6145-01-253-7187
NSN 6135-01-490-7704
NSN 6220-01-617-2666
NSN 5999-01-350-7515
NSN 5895-00-160-6535
NSN 5910-01-385-8610
NSN 6105-01-443-2980
NSN 5996-00-438-7532
NSN 4140-01-128-7301
NSN 6320-01-307-0467
NSN 6220-01-208-5556
NSN 5935-01-508-7762