Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HH8670D20KPUBB found under Filter Duplex by Pall Aeropower Corp. The National Stock Number assigned to this part is 2945015611789, 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 HH8670D20KPUBB.