Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6849 found under Muffler Exhaust by Sentry Company. The National Stock Number assigned to this part is 1560012517452, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6849.