Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TWC2233 found under Seat Bearing by Ina Bearing Co Inc. The National Stock Number assigned to this part is 3110004064147, 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 TWC2233.