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 5945-00-951-9512
NSN 5930-00-880-7131
NSN 7035-01-545-0834
NSN 5895-01-441-8824
NSN 2925-01-600-2309
NSN 6620-01-204-9214
NSN 5945-01-445-6081
NSN 6220-01-326-7204
NSN 6220-01-619-2956
NSN 5990-00-776-6177
NSN 5895-00-827-0240
NSN 5895-01-478-7374