Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 18T-FS2 0.75IN found under Valve Gate by Key Industries Inc. The National Stock Number assigned to this part is 4820014234810, 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 0.75IN.