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 5945-01-338-3495
NSN 4140-00-854-2718
NSN 4140-01-468-0476
NSN 5855-01-270-6847
NSN 6110-01-313-6518
NSN 5935-00-470-9571
NSN 5895-00-608-2481
NSN 6685-01-295-3256
NSN 6685-01-658-8560
NSN 5945-01-179-4192
NSN 5996-00-497-3809
NSN 6650-01-330-4857