Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C-700 5 8 X 1 2IN found under Meter Fluid Flow Indicating Diff by Elster Amco Water Llc. The National Stock Number assigned to this part is 6680012946518, 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 C-700 5 8 X 1 2IN.