Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 202 REV D found under Stemfluid Valve by John G Papailias Co Inc. The National Stock Number assigned to this part is 4810016911665, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 202 REV D.