1610-00-717-8394 (538121)
1610-00-717-8394 is equivalent to manufacture part number 538121. It is a pitchl valve piston and is classified under Federal Supply Class 1610 (1610 - Aircraft Propellers and Components), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 1610 - Aircraft Propellers and Components and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.