Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4048244-1 found under Valve Relief Pressure And Temper by Ryan Industries Div Of Cordon. The National Stock Number assigned to this part is 4820004854117, 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 4048244-1.