QC Lubricants
CAGE CODE 9Y364
7360 Milnor St. Philadelphia, PA 19136
(215) 333-4187
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Castrol Braycote 804

Grease, Aircraft and Instrument Fuel and Oxidizer Resistant

In 2 ounce (AVDP) disposable plastic syringes

Castrol Braycote 804

Specification
Braycote 804 meets the requirements of and is qualified to MIL-PRF-27617F, Type I.

Braycote 804 Description
Castrol Braycote 804 is a smooth, buttery, translucent white NLGI #1 grease, based on a perfluoropolyether base oil. It is thermally stable, nonflammable, chemically inert to commonly used fuels, solvents, corrosive chemicals and oxidizers. Castrol Fluoroclean™ X100 or Castrol Fluoroclean™ HE can be used to remove this lubricant. Refer to the data sheets for information regarding these products.

Braycote 804 Application
 Braycote 804 is designed for static and dynamic lubrication of taper plug valves, gaskets and bearings in fuel systems of aircraft and ground support equipment. It is also suitable for use in the presence of oxygen (LOX/GOX) and other highly oxidative materials as a lubricant for valves, threads, and bearings in aerospace vehicles and supporting equipment. Perfluorinated greases, in general, exhibit excellent shelf lives due to their intrinsic inertness.

Braycote 804 chart

Temperature Range
-54ºC to 149ºC (-65ºF to 300ºF).
Compatibility
Braycote 804 is compatible with all commonly used plastic, elastomer and metallic materials of construction. It
may be adversely affected by Lewis Acids such as aluminum chloride, at elevated temperatures. Rubbing
surfaces of aluminum, magnesium or titanium alloys may react with Braycote 804 under certain conditions. Such
systems should be thoroughly evaluated. Surfaces must be well cleaned of organic rust inhibitors prior to grease
application to insure proper lubrication.

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Castrol Braycote 815Z