5310-00-116-1872 (1039)
5310-00-116-1872 is equivalent to manufacture part number 1039. 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.