Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A6CC-2-M found under Valve Check by B E C Systems Inc. The National Stock Number assigned to this part is 4820010324653, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A6CC-2-M.