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 5990-01-188-7309
NSN 2925-01-144-7106
NSN 5925-00-529-3950
NSN 6240-01-481-1796
NSN 5905-00-148-3776
NSN 5945-00-142-0005
NSN 5915-00-976-4840
NSN 6685-01-487-6001
NSN 6685-01-202-8900
NSN 5960-00-104-5955
NSN 6320-01-504-3948
NSN 5996-01-206-4104