Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31161-1400 found under Plate Retaining Bearing by Lucas Aerospace Power Equipment. The National Stock Number assigned to this part is 3110004209224, 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 31161-1400.