Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 803-5001048 PIECE 1 found under Ball Fuel Oil Strainer by Speco Corp. The National Stock Number assigned to this part is 2940011500902, 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 803-5001048 PIECE 1.