Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A9-49631 found under Fuse Cartridge by Acme Electric Corporation. The National Stock Number assigned to this part is 5920000810537, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A9-49631.