Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M36-3 found under Cartridge Shut Off by Derbyshire Mack And Morgan Inc. The National Stock Number assigned to this part is 4820011273976, 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 M36-3.