Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3273443 found under Main Bearing Suppor by Hatch And Kirk Inc. The National Stock Number assigned to this part is 2815003643774, 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 3273443.