An accurately finished element of a gage which is used for the dimensional control of the diameter of a specified hole.
NSN 6240-01-492-8821
NSN 5920-01-460-9579
NSN 6320-01-503-7180
NSN 6220-01-242-9031
NSN 4140-01-046-8196
NSN 5960-00-828-2158
NSN 5999-00-834-5520
NSN 5915-01-294-2296
NSN 5905-01-065-0382
NSN 7035-01-347-6110
NSN 2925-01-033-0141
NSN 5996-00-153-3216