5310-14-509-1886 (ND86)
5310-14-509-1886 is equivalent to manufacture part number ND86. It is a lock washer and is classified under Federal Supply Class 5310 (5310 - Nuts and Washers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5310 - Nuts and Washers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.