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 6130-01-392-1023
NSN 6130-01-629-2675
NSN 5930-01-601-5034
NSN 6105-00-099-8818
NSN 6110-01-600-0188
NSN 2925-00-802-9387
NSN 2925-01-434-6945
NSN 6610-01-149-4753
NSN 5999-00-484-5513
NSN 6610-01-386-0647
NSN 5935-01-210-3264
NSN 6220-01-284-1890