4470-00-061-6704 (R8910B1-2-702REVQPC11LH)
4470-00-061-6704 is equivalent to manufacture part number 820-4550821PC3. It is a piston operated stem and is classified under Federal Supply Class 4470 (4470 - Nuclear Reactors), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4470 - Nuclear Reactors and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.