Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PA8787B found under Insert Flexible Cou by Haldex Inc. The National Stock Number assigned to this part is 3010005256913, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PA8787B.