Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DPX17 NO.20 found under Needle Sewing Machine by Chandler Industries Inc. The National Stock Number assigned to this part is 3530014234091, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DPX17 NO.20.