O-163

MIL-L-7808
Grade 4

TURBONYCOIL 400

AIRCRAFT SYNTHETIC OIL

TURBONYCOIL 400 is a lubricating oil with a viscosity of 4 cSt at 100oC. It contains an additive which has been specially developed to confer a superior thermal stability. TURBONYCOIL 400 is intended to lubricate specific types of aircraft turbine engines, helicopter transmissions, accessory and auxiliary equipments as well as auxiliary power units.

Main characteristics

Properties Units Typical values Test methods
Appearance at 20oC - clear liquid -
Density at 20oC kg/dm3 0.961 ASTM D 4052
Kinematic viscosity mm2/s   ASTM D 445
  at 205oC   1.2  
  100oC   40  
  40oC   178  
  -51oC   20000  
Flash point, COC oC 242 ASTM D 92
Pour point oC -66 ASTM D 97
Acid number (pH = 11) mg KOH/g 0.20 ASTM D 664