A-A-870A, COMMERCIAL ITEM DESCRIPTION: ANTIFREEZE/COOLANT, ENGINE: ETHYLENE GLYCOL, INHIBITED CONCENTRATED (08 JAN 1987] [SUPERSEDING O-A-548D] [S/S BY A-A-52624]

A-A-870A, COMMERCIAL ITEM DESCRIPTION: ANTIFREEZE/COOLANT, ENGINE: ETHYLENE GLYCOL, INHIBITED CONCENTRATED (08 JAN 1987] [SUPERSEDING O-A-548D] [S/S BY A-A-52624]., This description covers antifreeze conforming to the requirements of ASTM D3306. In addition, the antifreeze must be formulated to provide adequate corrosion resistance when used in vehicles with aluminum engine components and must have a heat transfer corrosion rate of less than 1.0 mg/cm2/week when tested in accordance with ASTM D4340.