Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B4 3 8BD found under Filter Fluid by Parker Hannifin Ltd. The National Stock Number assigned to this part is 2910008383887, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B4 3 8BD.