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 6150-01-421-2234
NSN 2925-01-327-3069
NSN 6105-01-062-3679
NSN 5996-00-248-7061
NSN 5930-00-062-8452
NSN 5935-01-461-5996
NSN 5915-00-636-9785
NSN 6650-00-227-8743
NSN 5925-01-486-3665
NSN 6685-01-458-1434
NSN 5855-01-536-9873
NSN 6145-01-428-9003