O-155

Def Stan 91-112
(OEP-70)
MIL-PRF-6086
Grade M
AIR 3525

NYCOLUBE 3525

PETROLEUM LUBRICATING OIL

NYCOLUBE 3525 is a petroleum base lubricating oil with a viscosity of 9 cSt at 100oC. It is intended for use on certain aircraft gearboxes and translation unit bea­rings in contrarotating propellers; its operating temperature range is - 20oC to + 120oC.


Main characteristics

Properties Units Typical values Test methods
Appearance — clear limpid —
Density at 20oC kg/dm3 0.881 ASTM D 4052
Kinematic viscosity mm2/s   ASTM D 445
  at 100oC   8.7  
  40oC   66  
Viscosity index — 104 ASTM D 2270
Flash point, COC oC 240 ASTM D 92
Pour point oC -30 ASTM D 97
Acid number (pH = 11) mg KOH/g 0.01 ASTM D 664
Mean Hertz load daN 44 FTM-S-791
method 6503