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 6620-01-598-2271
NSN 5950-01-045-1701
NSN 5915-00-244-4210
NSN 5945-01-166-5176
NSN 5990-01-443-2931
NSN 5950-01-423-8208
NSN 5985-01-145-3402
NSN 6685-00-174-6235
NSN 6145-00-224-5245
NSN 6130-00-652-9363
NSN 2925-00-816-8765
NSN 5910-01-209-2430