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 5990-01-430-9177
NSN 5855-01-358-5253
NSN 5835-01-090-0784
NSN 5935-00-299-1886
NSN 6610-01-466-3983
NSN 6130-01-433-2215
NSN 4140-01-186-6250
NSN 5985-00-534-3272
NSN 5855-01-225-5855
NSN 5910-01-089-9785
NSN 5999-01-420-3453
NSN 4140-01-487-3180