3910-00-857-1962 (624VLF00820)
3910-00-857-1962 is equivalent to manufacture part number 20P4777. It is a check spring and is classified under Federal Supply Class 3910 (3910 - Conveyors), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3910 - Conveyors and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.