Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H71686-4 found under Carrier Gear Assembly by John Crane Inc. The National Stock Number assigned to this part is 3010013451486, 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 H71686-4.