Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B40-3 found under Linkage Throttle by Tourek J J Mfg Co. The National Stock Number assigned to this part is 6115006506927, and the Federal Supply Class is 6115 Generators And Generator Sets Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B40-3.