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 5920-00-225-8893
NSN 5895-01-383-4710
NSN 5895-01-525-7076
NSN 5915-01-591-7452
NSN 6150-01-471-6885
NSN 5950-00-130-2584
NSN 6130-00-719-7219
NSN 5998-01-640-7207
NSN 5950-01-009-9033
NSN 4140-01-377-5828
NSN 2925-00-707-6770
NSN 5996-00-319-1820