4820-00-623-9447 (FM3-08P020-100-10)
4820-00-623-9447 is equivalent to manufacture part number FM3-08P020-100-10. It is a safety relief valve and is classified under Federal Supply Class 4820 (4820 - Valves, Nonpowered), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4820 - Valves, Nonpowered and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.