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 5985-01-634-0635
NSN 5920-01-646-6491
NSN 5990-01-443-2931
NSN 5998-01-541-2271
NSN 7035-01-474-6127
NSN 5945-00-383-2944
NSN 5998-00-247-1595
NSN 5925-00-144-0482
NSN 5935-00-827-0621
NSN 6620-01-547-3967
NSN 5965-01-505-8639
NSN 4140-00-902-7744