Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 39S18 found under Lower Wick by Xerox Corporation. The National Stock Number assigned to this part is 3610001502880, and the Federal Supply Class is 3610 Printing Duplicating And Bookbinding Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 39S18.