"ALUMINUM SURFACES: FINISH SHALL BE ANODIC COATING I/A/W MIL-A-8625, TYPE II, COLOR OPTIONAL"
MATT
MATERIAL
STEEL CORROSION RESISTING CASE
SFTT
SURFACE TREATMENT
PASSIVATE CASE
SPCL
SPECIAL TEST FEATURES
"CASE MATERIAL SHALL BE CORROSION RESISTANT STEEL; CASE SHALL BE VENTED TO AMBIENT PRESSURE; CASE MATERIAL FINISH SHALL BE I/A/W SAE-AMS2700, TYPE 0PTL (PASSIVATE)"