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 4140-00-053-3547
NSN 6240-01-200-7937
NSN 6105-01-133-6941
NSN 7035-01-029-7221
NSN 5985-01-196-8757
NSN 5950-00-796-0632
NSN 6620-01-100-0431
NSN 6150-01-505-2890
NSN 5990-00-067-6791
NSN 5910-01-608-5120
NSN 6320-00-456-0836
NSN 6220-01-018-2049