MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Mirror-matl pyrex; flat to 1/4 fringe; parallel to 1 sec of arc; alum coating per mil-m-13508; surface quali type 80-50 per mil-o-13830; 3.5 in. L, 1.87 in. W, 0.97 in. Thk; usable surface 1.75 in. W, 2.75 in. L; mount-matl steel; gray enamel finish; sst screws; azimuth adjustment 4 deg, elevation 2 deg; hardwood carrying case
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
General purpose laboratory calibration and alignment of surface plates, angle blocks, precision squares, and optical instruments