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 6150-01-304-5491
NSN 5855-01-130-1501
NSN 5996-01-444-0011
NSN 5950-01-660-9965
NSN 4140-00-239-9174
NSN 6650-01-172-0198
NSN 6685-01-013-8572
NSN 5835-00-327-6192
NSN 6135-01-648-4875
NSN 4140-01-088-7512
NSN 5965-00-011-6742
NSN 5920-01-630-5502