Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MAM06-5054 found under Muffler Exhaust by Donaldson Co Inc. The National Stock Number assigned to this part is 2990012523855, 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 MAM06-5054.