Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MUW2-8-4-9108 found under Muffler Exhaust by Beaird Industries Inc. The National Stock Number assigned to this part is 2990002773634, 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 MUW2-8-4-9108.