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 4140-00-868-8907
NSN 6145-01-562-0226
NSN 2925-01-528-7333
NSN 6130-00-299-6920
NSN 5895-01-227-2639
NSN 5990-01-252-8175
NSN 5930-01-333-2531
NSN 6645-00-900-5830
NSN 6620-01-573-8003
NSN 5905-00-816-9679
NSN 5930-00-468-6692
NSN 5965-00-475-2759