Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MSM12712124 found under Valve Cushion Adjus by Parker Hannifin Corporation. The National Stock Number assigned to this part is 4820011992943, 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 MSM12712124.