Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 180185 found under Stem Needle Valve by Itw Industrial Finishing. The National Stock Number assigned to this part is 4820013639805, 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 180185.