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 6110-00-268-2919
NSN 5910-01-481-7903
NSN 6650-00-169-1866
NSN 6610-00-924-2828
NSN 5950-00-825-7921
NSN 6620-01-149-0700
NSN 6645-00-938-2173
NSN 4140-00-729-6852
NSN 5855-00-832-9341
NSN 6645-01-438-1524
NSN 5835-01-099-8702
NSN 5930-01-360-6009