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 5895-00-247-0180
NSN 5999-00-288-5954
NSN 5895-00-845-7898
NSN 5945-01-067-7955
NSN 5935-00-452-2221
NSN 5998-01-130-3061
NSN 5925-01-363-1365
NSN 5985-01-190-8135
NSN 5920-01-256-5830
NSN 6320-00-369-7796
NSN 5998-00-497-7981
NSN 6620-01-215-0470