Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K7ANDK9 found under Valve And Seat Asse by Kiene Diesel Accessories Inc. The National Stock Number assigned to this part is 4910010555301, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K7ANDK9.