Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H2311PC5 found under Bearing Dummy Reducing by Timken Gears And Services Inc. The National Stock Number assigned to this part is 3110002154650, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H2311PC5.