5855-01-446-7220 (HD-1214/UA)
5855-01-446-7220 is equivalent to manufacture part number HD-1214/UA. It is a cryogenic cooler and is classified under Federal Supply Class 5855 (5855 - Night Vision Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5855 - Night Vision Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.