Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77299B found under Clamp Adjusting Dri by Marine Engine Specialties Div Of. The National Stock Number assigned to this part is 2815003626685, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 77299B.