Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 119-2173 found under Bearing Roller Rod End by Caterpillar Inc. The National Stock Number assigned to this part is 3110015479724, 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 119-2173.