Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 406389 found under Guide Fuel Heater Valve by Production Services Corp The. The National Stock Number assigned to this part is 2915000841350, and the Federal Supply Class is 2915 Engine Fuel System Components Aircraft And Missile Prime Movers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 406389.