4930-01-298-6638 (B08-221-M3CA)
4930-01-298-6638 is equivalent to manufacture part number B08-221-M3CA. It is a airline filter-regulator and is classified under Federal Supply Class 4930 (4930 - Lubrication and Fuel Dispensing Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4930 - Lubrication and Fuel Dispensing Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.