4460-01-077-4190 (RC/01-9008)
4460-01-077-4190 is equivalent to manufacture part number 21. It is a electrostatic air filter and is classified under Federal Supply Class 4460 (4460 - Air Purification Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4460 - Air Purification Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.