Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MF189A found under Filter Element Fluid by Ap Hydraulics Ltd. The National Stock Number assigned to this part is 4330002420081, 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 MF189A.