3110-01-284-0665 (21826 53121826)
3110-01-284-0665 is equivalent to manufacture part number 531. It is a needle roller bearing and is classified under Federal Supply Class 3110 (3110 - Bearings, Antifriction, Unmounted), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3110 - Bearings, Antifriction, Unmounted and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.