6620-00-166-7276 (13207E3410FN134)
6620-00-166-7276 is equivalent to manufacture part number 004-003005-056. It is a lock washer and is classified under Federal Supply Class 6620 (6620 - Engine Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6620 - Engine Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.