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 6135-01-084-1609
NSN 6685-01-281-7267
NSN 6650-01-550-6328
NSN 6240-01-556-2924
NSN 5915-01-230-0857
NSN 5950-00-496-9364
NSN 5990-01-175-2597
NSN 5910-01-451-3794
NSN 6145-01-634-0388
NSN 6220-01-549-8057
NSN 5998-01-055-6043
NSN 5998-01-648-2656