Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV6-3331 found under Valve And Cage by Hatch And Kirk Inc. The National Stock Number assigned to this part is 2815000365784, 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 AV6-3331.