Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 182-52A found under Thermostatic Element Control by H O Trerice Co. The National Stock Number assigned to this part is 4820005470769, 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 182-52A.