5210-01-265-1804 (604)
5210-01-265-1804 is equivalent to manufacture part number 604. It is a testing device 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.