Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 278483R2 found under Sleeve Cooling Fuel by Komatsu America Corp. The National Stock Number assigned to this part is 2910008473255, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 278483R2.