4210-00-111-7020 (NAV0RDDWG2544987)
4210-00-111-7020 is equivalent to manufacture part number 169-100. It is a heat sensing device 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.