6730-00-953-2250 (638-22)
6730-00-953-2250 is equivalent to manufacture part number 638-22. It is a photographic mask and is classified under Federal Supply Class 6730 (6730 - Projection Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6730 - Projection Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.