Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12421281-002 found under Cooler Fluid Transmission by Bae Systems Tactical Vehicle Systems Lp. The National Stock Number assigned to this part is 2520013922330, 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 12421281-002.