4240-01-010-0690 (GGG-M-125/4)
4240-01-010-0690 is equivalent to manufacture part number 7511M. It is a air filtering respirator 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.