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 5975-01-412-8327
NSN 5950-01-526-6958
NSN 5996-01-510-3257
NSN 5835-01-057-5827
NSN 2925-01-466-0892
NSN 2925-00-799-5989
NSN 5998-00-833-5510
NSN 5915-01-329-9545
NSN 5930-01-462-5962
NSN 5965-00-433-6181
NSN 5975-01-607-5056
NSN 6150-01-406-4703