Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L2903 found under Shaft Shouldered by Curtiss Wright Corp. The National Stock Number assigned to this part is 3040010607236, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L2903.