Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 490-1989-801 found under by Svendborg Brakes A S. The National Stock Number assigned to this part is 3040226082253, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 490-1989-801.