Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 494734-901 found under Gear Bevel by Spd Electrical Systems Inc. The National Stock Number assigned to this part is 3020006241509, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 494734-901.