Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L18701625 found under Ring Piston by American Packing And Gasket Co. The National Stock Number assigned to this part is 3040016606436, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L18701625.