2805-00-835-4204 (M5000-100A10)
2805-00-835-4204 is equivalent to manufacture part number 010057. It is a valve spring retainer lock and is classified under Federal Supply Class 2805 (2805 - Gasoline Reciprocating Engines, Except Aircraft), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2805 - Gasoline Reciprocating Engines, Except Aircraft and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.