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 6240-01-063-7685
NSN 5935-01-311-8074
NSN 5895-00-554-4573
NSN 5950-01-041-2642
NSN 6645-00-333-6244
NSN 5985-01-374-0760
NSN 6620-01-340-1503
NSN 6145-00-085-7570
NSN 4140-01-227-4183
NSN 5920-00-862-8734
NSN 5985-01-623-3638
NSN 5985-01-146-5679