Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01S06331 found under Filter Fluid by Industrial Equipment Co. The National Stock Number assigned to this part is 4330003993119, and the Federal Supply Class is 4330 Centrifugals Separators And Pressure And Vacuum Filters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 01S06331.