MRC:
The hue or tint of the inscription(s) and/or that portion of the scale which surrounds the inscription on the scale.BGKZ
Scale Inscription/background Color:
White background without numbers, shaded green bands and red lines from center to outer edge, shaded green with mark 5 printed in area from 415 to 495 ps1g, shaded green with mark 4 printed in area from 735 to 865 psig, single red mark at 950 psi, single black mark at 100 psi on outer edge, single black mark at 1000 psi on outer edge, single black mark at 500 psi on outer edge
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:
Gage, pressure, dial indicating, except engine