Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U212-160 found under Valve Pneumatic Tan by Sears Roebuck And Co. The National Stock Number assigned to this part is 4820011810660, 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 U212-160.