Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 94B-58-01-40 found under Filter Assembly Flu by Ellis And Watts International Llc. The National Stock Number assigned to this part is 2940015999852, 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 94B-58-01-40.