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 6650-01-555-8349
NSN 5960-00-649-9373
NSN 6620-00-524-3596
NSN 6620-00-820-9616
NSN 5996-01-559-8221
NSN 5996-01-386-2045
NSN 5855-00-951-6483
NSN 5985-01-013-9044
NSN 6645-00-283-6794
NSN 6110-00-325-4519
NSN 5925-00-872-6522
NSN 5935-01-521-5791