Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 640620 1 found under Cap Assy Oil Filler by Teledyne Industries Inc. The National Stock Number assigned to this part is 2895010766129, and the Federal Supply Class is 2895 Miscellaneous Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 640620 1.