2040-00-950-1936 (73569XER684-13-1)
2040-00-950-1936 is equivalent to manufacture part number 684-20-A. It is a periscope triplexer and is classified under Federal Supply Class 2040 (2040 - Marine Hardware and Hull Items), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2040 - Marine Hardware and Hull Items and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.