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 5960-01-504-3415
NSN 5905-00-203-1585
NSN 5915-00-940-7439
NSN 6240-00-811-7162
NSN 5996-01-090-4683
NSN 5960-00-257-4203
NSN 6220-01-076-0018
NSN 6610-01-288-6103
NSN 5915-01-266-4320
NSN 5905-01-652-9679
NSN 5855-00-763-2155
NSN 5935-01-074-2132