Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DD5942 found under Roller Bearing by Optex Systems Inc. The National Stock Number assigned to this part is 3110001204179, 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 DD5942.