Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 072873 found under Muffler Exhaust by Miller Electric Mfg Co. The National Stock Number assigned to this part is 2990012071015, 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 072873.