Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9444-53-0000 PIECE 12 found under Cap Valve by George W Dahl Inc. The National Stock Number assigned to this part is 4820014330501, 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 9444-53-0000 PIECE 12.