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 4140-00-977-6297
NSN 6220-01-236-0233
NSN 6240-01-218-5187
NSN 6130-01-207-0153
NSN 5930-00-162-8870
NSN 5999-01-415-1835
NSN 5965-01-359-8172
NSN 5915-01-445-9523
NSN 5895-01-283-5733
NSN 6320-01-441-1237
NSN 5835-01-452-7081
NSN 5985-01-023-3425