4530-01-018-9004 (N49677-PC38)
4530-01-018-9004 is equivalent to manufacture part number 21973. It is a closure plate piece and is classified under Federal Supply Class 4530 (4530 - Fuel Burning Equipment Units), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4530 - Fuel Burning Equipment Units and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.