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 6320-01-574-1915
NSN 5990-00-161-2797
NSN 5975-00-149-7647
NSN 6610-00-238-1693
NSN 5895-00-890-2718
NSN 4140-00-315-0146
NSN 6110-01-578-1267
NSN 5915-01-113-9045
NSN 5998-01-506-0990
NSN 5895-00-931-1597
NSN 6650-01-105-9500
NSN 5920-00-097-7648