A multiple-ring gage used for checking diameters of twist drills and drill rods. It consists of a thin rectangular steel plate with a series of holes corresponding to the diameters of number-size twist drills. Decimal equivalents and size are stamped adjacent to each hole.
Classification: Other measuring or checking instruments, appliances and machines, nesoi in chapter 90
NSN 6145-01-412-0926
NSN 4140-01-197-7658
NSN 5990-01-605-4769
NSN 5855-01-252-5424
NSN 6110-01-188-8017
NSN 5945-01-497-3347
NSN 5999-01-621-5554
NSN 6610-01-340-1761
NSN 5930-00-040-0061
NSN 5960-01-131-6581
NSN 7035-01-106-3476
NSN 5985-01-361-5569