Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 307949R91 found under Parts Kit Universal Joint by Komatsu America Corp. The National Stock Number assigned to this part is 2520002179322, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 307949R91.