Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 03W1738-231 found under Filter Element Flui by Falls Filtration Technologies In. The National Stock Number assigned to this part is 1650012990257, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 03W1738-231.