4240-01-248-2608 (7000125987)
4240-01-248-2608 is equivalent to manufacture part number 49728300. It is a respirator exhalation valve and is classified under Federal Supply Class 4240 (4240 - Safety and Rescue Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4240 - Safety and Rescue Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.