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 6610-01-660-3966
NSN 6220-01-227-7307
NSN 5998-01-207-1651
NSN 6110-01-396-6087
NSN 5935-01-435-8680
NSN 5990-01-076-8901
NSN 6150-01-421-4829
NSN 4140-01-181-3307
NSN 5855-01-218-3735
NSN 6105-00-056-9776
NSN 6220-01-508-8223
NSN 6620-01-141-5747