Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1278 found under Pipe E Haust Muffle by Mitsubishi Caterpillar Forklift. The National Stock Number assigned to this part is 2990003289078, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A1278.