Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C0M1 1-2 found under Valve Ball by Celanese Piping Systems Inc. The National Stock Number assigned to this part is 4820004156187, 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 C0M1 1-2.