4210-01-198-8718 (174290-34)
4210-01-198-8718 is equivalent to manufacture part number 174290-34. It is a mask assembly and is classified under Federal Supply Class 4210 (4210 - Fire Fighting Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4210 - Fire Fighting Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.