MRC:
The environmental elements or conditions that an item is designed or protected to resist or withstand satisfactorily.ADZC
Environmental Protection:
Abrasion resistant and corrosion resistant and hydraulic fluid and hydrocarbon fuel and moisture resistant and nonphenolic grease solvent and weather resistant
MRC:
The lettering or design on the item,or that is the item.AYBM
Inscription:
T b 7, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, P22R/N/, P22B/N/, P22S/N/, P22C/N/, A9J/N/, A9H/N/, A9A/N/, A21N/N/, A21J/N/, A21A/N/