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 5999-01-399-1162
NSN 6110-01-361-4960
NSN 6620-00-155-2608
NSN 5930-01-333-4180
NSN 6145-01-377-9935
NSN 5996-00-896-7086
NSN 6610-01-430-5373
NSN 6650-00-981-9501
NSN 5990-01-455-8035
NSN 5935-01-028-2361
NSN 5975-01-503-8687
NSN 6145-01-206-5202