Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E3 5351 W 5023 AND T3 5048 found under Muffler Exhaust by Harvard Industries Inc. The National Stock Number assigned to this part is 2990000060136, 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 E3 5351 W 5023 AND T3 5048.