4820-01-692-2406 (212411 P/N 212411-05K FIND NO 2)
4820-01-692-2406 is equivalent to manufacture part number 212411. It is a valve opening indicator and is classified under Federal Supply Class 4820 (4820 - Valves, Nonpowered), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4820 - Valves, Nonpowered and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.