Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CD00553-1D213A found under Seal Assembly Aft by Pall Aeropower Corporation. The National Stock Number assigned to this part is 2945012885563, and the Federal Supply Class is 2945 Engine Air And Oil Filters Cleaners Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CD00553-1D213A.