O-F-555C, FEDERAL SPECIFICATION: FOAM LIQUID, FIRE EXTINGUISHING, MECHANICAL (03-JAN-1969) [S/S BY MIL-F-24385]

O-F-555C, FEDERAL SPECIFICATION: FOAM LIQUID, FIRE EXTINGUISHING, MECHANICAL (03-JAN-1969) [S/S BY MIL-F-24385]., This specification covers one type of foam liquid for use in mechanical foam generating equipment for extinguishment of fires in flammable liquids such as gasoline and oils.