Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5518992 found under Cam Follower Needle Bearing by Industrial Tectonics Bearings Co. The National Stock Number assigned to this part is 3110004517790, 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 5518992.