Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 064-13841 found under Pump Oil Low Speed by Chesapeake Corp. The National Stock Number assigned to this part is 4320011732102, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 064-13841.