Hydraunycoil FH 2

Synthetic hydraulic fluid

NATO CODE H-537 – DCSEA 437/B – MIL-PRF-83282D Amd.1 – OX-19

Hydraunycoil FH 2 is a synthetic hydraulic fluid based on a blend of poly-alpha-olefins and diesters, with a viscosity of 15 cSt at 40°C and a viscosity index of 125.

It contains anti-corrosion and anti-wear additives. Its operating temperature range is – 40°C to + 160°C in continuous use. It is supplied with a controlled particulate contamination level.

FH 2 is a substitute to MIL-PRF-5606/H-515 (petroleum based oils): reducing fire hazard due to high flash point, fire point and auto-inflammation temperature, evaporation loss is highly reduced.


  • Helicopter systems
  • Hydraulic fluid
  • Landing gear fluid
  • Fire resistant
  • Leak testing
  • Shock strut fluid for landing gear absorber
  • Test bench
  • Hydraulic actuators
  • Missile hydraulic systems


download Hydraunycoil FH 2 technical datasheet