Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B341-5 found under Indicator Assy Powe by Aar Parts Trading Inc. The National Stock Number assigned to this part is 6620009437977, 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 B341-5.