4610-01-423-7427 (9-1-0540)
4610-01-423-7427 is equivalent to manufacture part number 9-1-0540. It is a cold weather modification kit and is classified under Federal Supply Class 4610 (4610 - Water Purification Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4610 - Water Purification Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.