5210-00-480-0940 (7R540)
5210-00-480-0940 is equivalent to manufacture part number 7R540. It is a feed mouth gage and is classified under Federal Supply Class 5210 (5210 - Measuring Tools), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5210 - Measuring Tools and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.