6640-00-522-1885 (XX60-000-01)
6640-00-522-1885 is equivalent to manufacture part number AB580B. It is a filter assembly and is classified under Federal Supply Class 6640 (6640 - Laboratory Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6640 - Laboratory Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.