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 6620-00-280-2874
NSN 5990-01-557-4793
NSN 5998-01-046-0336
NSN 5935-01-274-9080
NSN 6105-01-278-9830
NSN 5996-00-079-1268
NSN 5999-01-394-6736
NSN 4140-01-525-6721
NSN 5930-01-444-4074
NSN 5945-00-426-4773
NSN 4140-01-128-9614
NSN 5855-01-323-5394