4240-01-570-0396 (06-699)
4240-01-570-0396 is equivalent to manufacture part number 06-699. It is a si ball m-frame 2.0 earsock/nosepiece 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.