Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 120749 found under Parts Kit Seal Replacement Mecha by Dana Automotive Ltd. The National Stock Number assigned to this part is 2520012162337, 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 120749.