Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4273099 found under Manifold Exhaust by Dm Mfg Inc. The National Stock Number assigned to this part is 2815015291581, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4273099.