Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CF 431 803 found under Indicator Filter Wa by Bundesamt Fuer Wehrtechnik. The National Stock Number assigned to this part is 2940121658727, and the Federal Supply Class is 2940 Engine Air And Oil Filters Strainers And Cleaners Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CF 431 803.