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 6320-01-607-1491
NSN 5985-01-479-7506
NSN 5920-01-545-8581
NSN 6150-01-394-8276
NSN 5895-01-141-7416
NSN 5950-01-047-9758
NSN 6320-00-695-3891
NSN 5950-00-231-2003
NSN 6645-01-579-6304
NSN 5960-01-251-9659
NSN 6685-00-598-1944
NSN 5998-01-303-4385