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 6240-00-156-1607
NSN 5905-01-084-4959
NSN 6645-01-469-2458
NSN 5975-00-629-4990
NSN 5910-00-142-5020
NSN 6110-01-420-8996
NSN 5998-00-269-5444
NSN 5965-01-367-7380
NSN 6130-01-441-2618
NSN 5835-01-250-6027
NSN 5985-01-302-1638
NSN 5855-00-479-9819