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 5835-00-463-6699
NSN 6685-01-116-3422
NSN 5998-01-347-5753
NSN 5975-01-107-4198
NSN 4140-00-702-4647
NSN 5855-01-433-2220
NSN 5920-00-490-1226
NSN 5945-01-634-0588
NSN 5905-00-495-4296
NSN 6610-00-125-7415
NSN 6650-01-515-7248
NSN 6220-01-077-3461