Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BCU-19(V) E found under Charger Battery by Aeronautical And Support Equipment. The National Stock Number assigned to this part is 6130011664009, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BCU-19(V) E.