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 5999-01-281-9529
NSN 5925-01-480-2119
NSN 6150-00-111-0881
NSN 5915-00-147-0351
NSN 6685-00-248-5820
NSN 5945-01-621-7173
NSN 5985-00-467-1838
NSN 5996-00-101-0687
NSN 5905-01-497-5313
NSN 5935-01-005-8371
NSN 5930-01-298-2550
NSN 5975-01-480-8582