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 6145-00-635-9957
NSN 5996-01-457-9158
NSN 6135-01-433-2062
NSN 5975-00-596-4716
NSN 6645-00-269-2764
NSN 5950-01-227-7095
NSN 5998-00-482-8653
NSN 7035-00-433-5670
NSN 5835-00-804-0569
NSN 5985-00-672-6399
NSN 2925-00-756-8510
NSN 5990-01-357-2453