Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11587 found under Filter Strainer by Allied Systems Company. The National Stock Number assigned to this part is 4330015620212, 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 11587.