Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22-044-01 found under Diaphragm Valve Flat by A Dec Inc. The National Stock Number assigned to this part is 4820005784364, 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 22-044-01.