Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TF25X12 2X0 9 found under Washer Spring Tensi by Muhr Und Bender Kg. The National Stock Number assigned to this part is 5310121268080, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TF25X12 2X0 9.