{"product_id":"radcolube-rhp5606-petroleum-hydraulic-fluid-mil-prf-5606h-aircraft-fluid","title":"Radcolube RHP5606 Petroleum Hydraulic Fluid | MIL-PRF-5606H \/ NATO H-515 \/ MS OHA | Aircraft  Fluid","description":"\u003cp\u003e\u003cstrong\u003eRADCOLUBE RHP5606\u003c\/strong\u003e is a premium, mineral-based petroleum hydraulic fluid manufactured in strict accordance with military specification \u003cstrong\u003eMIL-PRF-5606H\u003c\/strong\u003e. Engineered for military, commercial, and general aviation aircraft hydraulic power systems, Radcolube RHP5606 provides exceptional low-temperature fluidity, excellent shear stability, and robust anti-wear protection. Designed specifically for operation across extreme environmental temperature drops down to -54°C (-65°F), this super-clean hydraulic fluid ensures instantaneous response in flight control actuators, landing gear shock struts, and hydraulic brake systems. Formulated with high-grade mineral base oils and advanced additive packages, RHP5606 shields vital metal components against corrosion, oxidation, and foaming across demanding flight-line and MRO servicing operations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Chemical Properties\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer \/ Brand:\u003c\/strong\u003e Radco Industries, Inc. \/ RADCOLUBE®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number \/ Series:\u003c\/strong\u003e RADCOLUBE® RHP5606\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilitary Specification:\u003c\/strong\u003e MIL-PRF-5606H Qualified Product List (QPL) Listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Base Type:\u003c\/strong\u003e High-Refined Petroleum \/ Mineral Hydrocarbon Base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNATO Code \/ Fluid Identifier:\u003c\/strong\u003e H-515\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKinematic Viscosity:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eAt 40°C (104°F): ≥ 13.2 cSt\u003c\/li\u003e\n\u003cli\u003eAt -54°C (-65°F): ≤ 500 cSt (delivers immediate low-temperature hydraulic response)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash Point (Cleveland Open Cup):\u003c\/strong\u003e ≥ 93°C (200°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePour Point:\u003c\/strong\u003e ≤ -60°C (-76°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e -65°F to 275°F (-54°C to 135°C) continuous service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red (Dyed for instant fluid identification and leak detection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid \u0026amp; Seal Compatibility:\u003c\/strong\u003e Fully compatible with conventional nitrile (Buna-N), fluorocarbon (Viton), and silicone seals used in MIL-PRF-5606 hydraulic glands, as well as synthetic PAO fluids (MIL-PRF-83282 and MIL-PRF-87257).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Specifications \u0026amp; Military Conformance:\u003c\/h3\u003e\n\u003cp\u003eRadcolube RHP5606 holds official Quality Products List (QPL) status under defense and industrial standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIL-PRF-5606H QPL Certified:\u003c\/strong\u003e Qualified under military protocols for fixed-wing, rotary-wing, and naval support hydraulic applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNATO H-515 Specification:\u003c\/strong\u003e Approved across NATO military forces as a standardized aircraft petroleum hydraulic fluid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper-Clean Particulate Quality:\u003c\/strong\u003e Packaged under cleanroom conditions to meet rigid particulate cleanliness standards (NAS 1638 Class 5 \/ ISO 4406) for precision servovalve protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features \u0026amp; Performance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-Zero Fluidity \u0026amp; Quick Response:\u003c\/strong\u003e Maintains low viscosity at sub-zero high-altitude temperatures (-54°C), eliminating actuator lag during cold-weather startups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Viscosity Index (VI):\u003c\/strong\u003e Resists extreme thinning under elevated operational heat while retaining fluid motion in freezing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Anti-Wear \u0026amp; Oxidation Inhibitors:\u003c\/strong\u003e Protects high-pressure hydraulic pumps, pistons, and valves against scoring, cavitation, and sludge formation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed Dye Indicator:\u003c\/strong\u003e Bright red dye allows rapid visual identification during servicing and simplifies maintenance leak detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAircraft Landing Gear \u0026amp; Braking Systems:\u003c\/strong\u003e Primary shock strut fluid (oleo struts) and hydraulic power fluid for aircraft wheel brakes and nose-wheel steering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlight Control \u0026amp; Actuation Loops:\u003c\/strong\u003e Circulates in primary flight control actuators, flap systems, and hydraulic power units in GA, commercial, and defense airframes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround Support \u0026amp; Maintenance Servicing:\u003c\/strong\u003e Standard fluid used for flushing rigs, hydraulic servicing carts, and test stands in 145 MRO facilities.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RADCOLUBE","offers":[{"title":"Quart","offer_id":56234873291124,"sku":"RHP5606-QT","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Gallon","offer_id":56234873323892,"sku":"RHP5606-GL","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Drum 55GL","offer_id":56234873356660,"sku":"RHP5656-55GL","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/2991\/9604\/files\/RHP5606-QT.png?v=1791380464","url":"https:\/\/145.aero\/products\/radcolube-rhp5606-petroleum-hydraulic-fluid-mil-prf-5606h-aircraft-fluid","provider":"Aircraft Shop Supply","version":"1.0","type":"link"}