Greases and lubricants. Greases and lubricants. Defence Fuel and Food Services (DFFS) has a requirement for the procurement and supply of approximately 37 oils, lubricants, fuels and greases for use in Marine, Aviation and Ground environments. The product range will include, but will not be limited to; Stove Naphtha, Engine Oils (Spark Ignition & Compression Ignition), Hydraulic Fluids, Transmission Fluids, Brake Fluids, Aviation Turbine Oils, Fuel Additives, De-icing Fluids, Coolants, Weapon Cleaning Fluids, Damping Fluids, Corrosion Preventatives, Automotive Greases, Aviation Greases and Multipurpose Greases.