Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 65838 found under Valve Relief Pressu by Arvinmeritor Inc. The National Stock Number assigned to this part is 4820007249434, 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 65838.