5680-00-727-6371 (E169-250PC425)
5680-00-727-6371 is equivalent to manufacture part number B990-574-2. It is a manhole cover and is classified under Federal Supply Class 5680 (5680 - Miscellaneous Construction Materials), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5680 - Miscellaneous Construction Materials and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.