4220-01-317-0765 (MJ6214T1-2-S-206)
4220-01-317-0765 is equivalent to manufacture part number 344. It is a buoyancy aid jacket and is classified under Federal Supply Class 4220 (4220 - Marine Lifesaving and Diving Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4220 - Marine Lifesaving and Diving Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.