Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1670AS117 found under Liner Elastomer by Ac Valve Inc. The National Stock Number assigned to this part is 8135014506785, and the Federal Supply Class is 8135 Packaging And Packing Bulk Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1670AS117.