Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50378 found under Band Assy by Warner Electric Brake And Clutch Co. The National Stock Number assigned to this part is 2530007372432, and the Federal Supply Class is 2530 Vehicular Brake Steering Axle Wheel And Track Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 50378.