6635-00-966-5245 (601-1001G1/4340)
6635-00-966-5245 is equivalent to manufacture part number 107S. It is a ultrasonic test block set and is classified under Federal Supply Class 6635 (6635 - Physical Properties Testing Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6635 - Physical Properties Testing Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.