Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RT1-KS7-H-F20-F20-N-CD-ES1 SER D found under Filter Fluid by Schroeder Industries Llc. The National Stock Number assigned to this part is 2940014559569, 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 RT1-KS7-H-F20-F20-N-CD-ES1 SER D.