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 5920-00-175-5138
NSN 6685-00-227-0212
NSN 6150-00-679-3285
NSN 7035-01-359-6108
NSN 5895-01-335-6006
NSN 5930-00-740-9384
NSN 5965-01-278-2107
NSN 5855-01-383-6860
NSN 5960-01-505-2426
NSN 6240-01-608-3269
NSN 5905-01-303-7587
NSN 6110-00-205-1778