Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 123SCAV5519 found under Wattmeter by Phaostron Instrument And Electronic. The National Stock Number assigned to this part is 6625000366568, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 123SCAV5519.