Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R9W1072-170 found under by Universal Locators. The National Stock Number assigned to this part is 2840008850741, and the Federal Supply Class is 2840 Gas Turbines And Jet Engines Aircraft Prime Moving And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R9W1072-170.