4470-00-828-8562 (8910B1-1550PC13)
4470-00-828-8562 is equivalent to manufacture part number 820-2178668PC1. It is a valve piston 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.