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 6645-01-170-5402
NSN 6320-00-731-6134
NSN 5920-01-470-4354
NSN 6620-01-415-2307
NSN 5935-00-236-5643
NSN 6240-01-373-2688
NSN 5950-01-460-8584
NSN 6240-01-293-6024
NSN 6610-01-441-1581
NSN 6320-01-425-1417
NSN 6320-00-593-0379
NSN 5998-00-469-1518