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 6110-01-483-9663
NSN 7035-01-364-8454
NSN 5910-01-600-2613
NSN 5895-01-643-7107
NSN 6145-01-151-6133
NSN 5975-00-799-2584
NSN 6650-01-290-4001
NSN 5998-00-670-0369
NSN 6145-00-275-0811
NSN 5835-01-435-4139
NSN 5999-01-514-7439
NSN 6145-00-763-6077