Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 504 0235 00 found under Gear Worm by Bombardier Aerospace. The National Stock Number assigned to this part is 3020012215708, 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 504 0235 00.