4310-01-717-0558 (3784509)
NSN 4310-01-717-0558 (NIIN 01-717-0558) is a valve stop plate in Federal Supply Class 4310, Compressors And Vacuum Pumps — a dish shaped metallic device with varying shaped holes designed to limit the vertical travel of the valve spring components. Manufacturer part number 3784509 (Parker-Hannifin Corporation, CAGE 45681).
NIIN assigned December 2023; DEMIL A (none required); ESD/EMI-sensitive; export Schedule B 8481.90.9090.