A precision measuring instrument used to accurately measure the wall thickness of tubing and pipe. It consists of a u-frame with micrometer. The fixed anvil is either semispherical or cylindrical in shape.
NSN 5925-01-512-1651
NSN 6105-01-212-2142
NSN 5996-01-602-5655
NSN 4140-01-484-5070
NSN 6150-01-590-3568
NSN 7035-01-589-0186
NSN 5930-01-271-4821
NSN 5835-00-821-8555
NSN 5835-01-595-4099
NSN 6240-00-103-0058
NSN 5835-01-069-2359
NSN 5999-01-025-1404