Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52MAD1241N1ITEM19 found under Valve Regulating Fluid Pressure by Carrier Corporation. The National Stock Number assigned to this part is 4820002669530, 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 52MAD1241N1ITEM19.