A precision tool used as a standard for setting calipers and comparing gages, testing precision tools and measuring parallel surfaces, rings and cylinders. It consists of high grade steel rod, precision ground and lapped to size as to length.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 6320-01-170-4068
NSN 6650-01-589-3585
NSN 5960-00-274-4905
NSN 5925-00-755-2190
NSN 6105-00-111-3353
NSN 5975-01-461-8867
NSN 5930-01-462-2771
NSN 6105-00-987-7935
NSN 6130-01-370-4980
NSN 6105-01-578-6318
NSN 5985-00-288-6001
NSN 6645-01-425-2330