4810-01-142-5435 (845-2180943L1)
4810-01-142-5435 is equivalent to manufacture part number 2640-684X1. It is a ball-check valve and is classified under Federal Supply Class 4810 (4810 - Valves, Powered), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4810 - Valves, Powered and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.