MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
System consists of a light source and interferometer to create interference fringes on the gage block gaging surface, a closed circuit tv monitoring system for reviewing and magnifying the fringes, an adjustable stage for holding the gage block being examined; length capacity from 0.050 to 4.000 inches long; aperature size large enough so that the surface of a hoke type gage bloack is 0.96875 inches square on the gaging surface; accuracy capable of measuring flatness to 0.0000001 inches without applying any correction factors; power 120 vac, 60 hz
