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Brayco Micronic 783
Hydraulic Fluid, Petroleum Base, For Preservation and Operation
Brayco 783 Micronic

 

Castrol Brayco« Micronic 783

Hydraulic Fluid, Petroleum Base for Preservation and Operation

Description:

Castrol Brayco« Micronic 783 is a petroleum-based, low viscosity, ISO grade 15 red colored hydraulic and preservative fluid for aircraft and ordnance use. It is a blend of selected petroleum oils with additives which provide exceptionally good viscosity-temperature characteristics, good anti-wear properties, controlled rubber swell, good shear stability and excellent oxidation resistance. Castrol Brayco« Micronic 783 is an excellent corrosion preventative and provides a high degree of detergency to maintain clean systems.

Uses:

Castrol Brayco« Micronic 783 is designed for aircraft, ordnance and other general hydraulic use, and for preserving hydraulic components over a temperature range of -54║C to 135║C (-65║F to 275║F). It may be used as an operational preservative fluid for all tactical and support ordnance intended for use in MIL-PRF-5606 service. Castrol Brayco« Micronic 783 can be used in hydraulic systems of missile ground support equipment and is particularly suitable for use in systems with long periods of inactivity during service.

Material Compatibilities:

Castrol Brayco« Micronic 783 is generally used with standard synthetic rubber "L". This petroleum base fluid may be used with conventional oil and grease resistant paints. Castrol Brayco« Micronic 783 as all other MIL-PRF-6083 fluids should only be mixed with MIL-PRF-5606, MIL-PRF-46170 Type I and MIL-PRF-83282 fluids.

Packaging:

QC Lubricants carries Castrol Brayco« Micronic 783 in 55 gallon drums.

Specifications:

Castrol Brayco« Micronic 783 meets the requirements of and is qualified to MIL-PRF-6083F. It also meets the requirements for a P-15 preservative under packaging specification MIL-P-116. This fluid is identified by Military Symbol: OHT and NATO Code Number: C-635.

CASTROL BRAYCO MICRONIC 783 TYPICAL PROPERTIES:

TEST

METHOD

DESCRIPTION
SPECIFICATION

REQUIREMENTS

RESULTS
D 287 API Gravity, degrees 29.5
Table 3 Specific Gravity @ 16/16║C (60/60║F), g/ml 0.8650 - 0.8820 0.88
Table 8 Pounds Per Gallon @ 16║C (60║F) 7.32
D 445 Kinematic Viscosity, cSt @ 40║C (104║F)

13 Minimum

 

13.6

 

  Kinematic Viscosity, cSt @ @ 100║C (212║F), cSt   4.7
  Kinematic Viscosity, cSt @ -40║C (-40║F), cSt 800 Maximum 650

 

  Kinematic Viscosity, cSt @ -54║C (-65║F), cSt 3500 Maximum 3450
D 97 Pour Point, ║C (║F) -59 (-75) Maximum -65 (85)
D 93 Flash Point, ║C (║F), PMCC 82 (180) Minimum 100 (212)
D 664 Acid or Base Number, mg KOH/gm 0.20 Maximum 0.08
D 2273 Trace Sediment, mL 0.005 Maximum 0.001
D 1744 Water by KFR, % 0.05 Maximum 0.01
Spec 4.5.1 Color, as Per Standard Pass Pass
D 4636 Corrosion-Oxidation Stability, 168 hrs @ 121║C (250║F) Weight Change, mg/cm2

 

  Copper 0.6 Maximum -0.01
  Steel 0.2 Maximum -0.01
  Magnesium 0.2 Maximum +0.01
   Aluminum 0.2 Maximum +0.01
  Cadmium 0.2 Maximum +0.02
  Corrosion, Pitting, or Etching None None
  Separation or Gumming None None
  Change in Viscosity @ 40║C (104║F), % -5 to +20 3.5
  Increase in Acid Number 0.20 Maximum 0.12
D 130 Copper Strip, 72 hrs @ 100║C (212║F) Less than 3a 1b
D 1748 Corrosion Inhibition, 100 hrs @ 49║C (120║F)
  Polished Panels Pass Pass
  Sandblasted Panels Pass Pass
Spec 4.5.7 Low Temperature Stability, 72 hours @ -54║C (-65║F) No gelling, crystallization, or separation Pass
Spec 4.5.5 Rubber Swell, 168 hours @ 70║C (158║F), % 19 ľ 28 24
D 972 Evaporation Loss

22 hours @ 100║C (212║F)

75 Maximum

43
Appendix A Corrosivity, 10 Days No corrosion, etching, pitting, staining Pass
D 4172 Steel-on-Steel Wear, AWSD, mm 1 Maximum 0.77
 

As always, with Brayco 783 Micronic, or any product you are seeking, please call us with any questions or concerns. Our dedicated staff is eager to hear from you.

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