Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 18T FS2 1 2IN found under Valve Gate by Newmans Inc. The National Stock Number assigned to this part is 4820014409131, 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 18T FS2 1 2IN.