Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D90294-5 found under Cage Valve by Hydro Aire Inc. The National Stock Number assigned to this part is 4820010410826, 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 D90294-5.