Castrol Aero 40 Red meets Douglas Aircraft Specification DPS 3.334 and is identified by Douglas stock number DPM 6176. Castrol Aero 40 Yellow serves as an approved alternative to Boeing Service Letters 707-SL-12-2, 727-SL-12-2, 737-SL-12-2, and 757-SL-27-15-B. These letters require an EP additive in either standard or corrosion-inhibited mineral-based hydraulic fluids for use in landing gear shock struts. Castrol Aero 40 Yellow fully complies with Boeing BMS 3-32 (Type II) standards.
Tag: Castrol
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Castrol Aero 40
Castrol Aero™ 40 is a premium mineral-based hydraulic fluid for landing gear shock struts. It includes a shear-stable viscosity index improver, antioxidants, anti-wear agents, and an approved EP additive. These elements reduce martensitic streaking of landing gear cylinders and prevent galling of shock strut bearings. Available in red (for Douglas Aircraft) and undyed straw (for Boeing Spec BMS 3-32, Type II), Aero 40 is compatible with MIL-PRF-6083 and other MIL-H5606 hydraulic fluids. It is not fully compatible with synthetic gas turbine lubricants or phosphate ester hydraulic fluids but works well with petroleum-based and synthesized hydrocarbon lubricants. To maintain Aero 40’s properties, avoid contamination. It is compatible with seals, hoses, and paints used in shock struts. Confirm compatibility with the material manufacturer or Castrol for specific grades.
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Castrol Brayco™ 717
Castrol Brayco™ 717 presents as a straw-colored hydraulic fluid with a medium viscosity. Crafted from meticulously refined petroleum base stocks and fortified with additives, it boasts resistance to oxidation and corrosion, along with anti-wear properties and a high viscosity index. Primarily engineered for the hydraulic power transmission in Naval ordinance hydraulic equipment, it delivers corrosion protection even in the presence of salt water and spray. With an impressive operating temperature range spanning from -40ºC to 122ºC (-40ºF to 250ºF), it adheres to the stringent requirements of military specification MIL-DTL-17111E, which mandates first article testing for qualification and approval. Identified by NATO Code Number H-575, it ensures reliability and performance in demanding environments.
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Castrol Brayco Micronic 883
Castrol Brayco™ Micronic 883 is a rust-inhibited, fire-resistant synthetic hydraulic fluid with an ISO viscosity Grade 15, engineered for use in aircraft, ordnance, and industrial settings. Unlike conventional hydraulic fluids, it does not contain viscosity index improvers, ensuring it remains impervious to polymeric breakdown. This product is fully compatible with MIL-H-5606G and MIL-PRF-6083F in all proportions, making it suitable for diverse applications. With superior corrosion resistance and the ability to serve as a direct substitute for MIL-PRF-6083, it offers reliability and versatility across a range of demanding environments.
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Castrol Brayco Micronic 882
Castrol Brayco® Micronic 882 is a vibrant red synthetic hydrocarbon hydraulic fluid, graded ISO viscosity Grade 15, tailored for aircraft, ordnance, and industrial applications. Free from viscosity index improvers, it maintains stability even under high shear conditions, distinguishing it from traditional hydraulic fluids. Suitable as a substitute or top-up for MIL-PRF-5606, it seamlessly blends with MIL-PRF-6083. Characterized by a high flash and fire point, along with an exceptionally high auto-ignition point, it boasts minimal flame propagation. Its attributes include controlled rubber swell for extended seal life, low foaming, excellent anti-wear properties, and robust corrosion and oxidation stability.
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Castrol Brayco™ Micronic 756
Castrol Brayco™ Micronic 756 is an ISO Grade 15 hydraulic fluid designed for aircraft, missile, and ordnance applications. Its petroleum base and selected additives provide excellent viscosity-temperature characteristics, superior anti-wear properties, minimal rubber swell, and high oxidation stability. A low molecular weight polymeric viscosity index improver enhances its stability, setting it apart from conventional hydraulic fluids.
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Brayco 300
Brayco 300 is a refined petroleum oil with additives for strong corrosion prevention, oxidation resistance, and protection against galvanic corrosion in brass-steel systems. With a viscosity similar to light machine oil, it works as a water-displacing oil. It’s ideal for general-purpose applications at temperatures from -70ºF to 300ºF.
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Castrol Brayco 599
Castrol Brayco 599 serves as an additive for turbine engines and helicopter transmissions utilizing MIL-PRF-23699 lubricating oil. Recommended for addition to the oil sump immediately post-oil change, especially for equipment intended for storage in high humidity or salt spray environments. Its usage is limited to 25 hours. Refer to the engine manufacturer’s manual for precise model recommendations and restrictions. When used with MIL-PRF-23699 synthetic turbine oils, Castrol Brayco 599 is added at a volume of 10-15% for storage purposes.
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Braycote 3214
Castrol Braycote 3214 is a grease designed for aircraft applications needing water resistance, high-speed, and high load capacity. It’s ideal for landing gear assemblies, bearings, flight controls, flap/slat systems, and gear applications, providing essential water resistance and corrosion protection. Being a lithium-thickened grease, Braycote 3214 is incompatible with clay and bentonite-based greases. Confirm suitability with the component manufacturer or aircraft OEM before relubricating existing components.
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Braycote 868
Castrol Braycote 868 is specifically crafted for slow-speed sliding surfaces, functioning effectively at temperatures reaching up to 400°C (752°F). It also serves as an anti-seize compound for threaded parts enduring temperatures up to 760°C (1400°F). This silicone grease, available in a 1lb can, complies with MIL-DTL-25681E standards.
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Braycote 610
Castrol Braycote 610 Lithium Grease is a long-lasting, versatile lubricant designed for ground vehicles and equipment. It offers surface corrosion protection and works well across a wide temperature range, requiring infrequent re-greasing. Ideal for automotive and industrial use, it resists oxidation and salt water corrosion, and is suitable for applications needing NLGI Grade 2 grease.
