Military Lubricant Fluids

MIL-PRF-6086F(1)

RADCOLUBE® 6086L

GEAR, LUBRICATING OIL, PETROLEUM BASE

RADCOLUBE® 6086 L Lubricating Oil, Gear, Petroleum Base, Light grade- Is intended for use in light-to-moderate-loaded gear trains or gear boxes that operate in low-to-medium-speed ranges down to -40°C. Typically used in the primary gearbox of heavy-lift helicopters operating in colder climates.

Qualification Numbers

AFPET/PTPT 18-004
AFPET/PTPS 20-018
AFPET/PTPS 20-019

Qualification Date

14 May 2018
22 October 2020
22 October 2020

NATO Code

O-153

ISO 9001: 2015 Certification Number

C2021-00038

Military Symbol

MIL-PRF-6086F(1)

National Stock Numbers Available From Radco

9150-00-265-9417             1 GAL
9150-00-223-4116             5-GAL PAIL

CHARACTERISTIC REQUIREMENT RESULT TEST METHOD
Viscosity, mm2/s at 37.8°C 23 – 34 26 ASTM D445
Viscosity Index, (minimum) 80 110 ASTM D2270
Flash point, °C (minimum) 137.8 155 ASTM D92
Pour point, °C (maximum) -40 -43 ASTM D97
Load wear index, kg (minimum) 40 60 ASTM D2783
Precipitation number, mL (maximum) 0.1 0.001 ASTM D91
Acid number, mg KOH/g (maximum) 1.0 0.6 ASTM D974
ASTM Color, (maximum) 8 1 ASTM D1500
Foam characteristics (tendency, stability), mL (maximum)     ASTM D892
Sequence I 10/0 0/0  
Sequence II 20/0 20/0  
Sequence III 10/0 0/0  
Copper corrosion (3 hours at 100°C) (maximum) 2 1b ASTM D130

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