Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1680 found under Compressor Reciprocating by S And S Truck Parts Inc. The National Stock Number assigned to this part is 4310009310931, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S1680.