5855-01-464-5084 (213937)
5855-01-464-5084 is equivalent to manufacture part number 213937. It is a diopterscope optical 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.