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 6150-01-430-2564
NSN 5998-01-364-9571
NSN 6220-01-401-5337
NSN 6320-01-021-6633
NSN 5950-01-029-5242
NSN 5895-00-379-2358
NSN 6620-00-555-3992
NSN 5855-01-321-3881
NSN 5855-00-408-2611
NSN 6650-00-239-9226
NSN 6610-00-008-6470
NSN 5996-01-603-0360