Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 853213002 found under Regulator Thermostatic Temperatu by Mercury Marine. The National Stock Number assigned to this part is 4820014710422, 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 853213002.