4240-00-022-2946 (MIL-P-38268)
4240-00-022-2946 is equivalent to manufacture part number 12489G-01. It is a hearing protector 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.