Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RPM4-A70M-L A1.4MS found under Indicator Pressure by Fluke Electronics Corp. The National Stock Number assigned to this part is 6620015604497, and the Federal Supply Class is 6620 Engine Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RPM4-A70M-L A1.4MS.