Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 78-8028-8167-8 found under Dispenser Pressure by Minnesota Mining And Mfg Co. The National Stock Number assigned to this part is 7520013183254, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 78-8028-8167-8.