Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CPA3989 found under Panelindicatinglight Transmitt by Paramount Panelsinc. The National Stock Number assigned to this part is 6220002420457, and the Federal Supply Class is 6220 Electric Vehicular Lights And Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CPA3989.