Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E-8709935 PIECE 79 found under O Ring by Alfa Laval Inc. The National Stock Number assigned to this part is 5331011376894, 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 E-8709935 PIECE 79.