Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19-8-776 found under Ring Piston by Ecolaire Heat Transfer Co. The National Stock Number assigned to this part is 2815001602035, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 19-8-776.