Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2612 found under Valve Regulating Fl by Arrow Pneumatics Inc. The National Stock Number assigned to this part is 4820013015326, 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 2612.