Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BT535-7708 found under Diaphragm Pump by Buffalo Turbine Llc. The National Stock Number assigned to this part is 3740000734802, and the Federal Supply Class is 3740 Pest Disease And Frost Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BT535-7708.