5340-00-389-9209 (74J808225-839)
5340-00-389-9209 is equivalent to manufacture part number 51228-839. It is a flan clamp coupling and is classified under Federal Supply Class 5340 (5340 - Commercial Hardware), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5340 - Commercial Hardware and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.