{"product_id":"aeroshell-308-turbine-oil","title":"AeroShell Turbine Oil 308 Synthetic Oil (MIL-PRF-7808 GRADE 3 \/ NATO O-148)","description":"\u003ch3\u003eLow-Temperature Jet Engine Oil\u003c\/h3\u003e\n\u003cp\u003eAeroShell Turbine Oil 308 is a 3 mm²\/s (cSt) synthetic hindered ester oil engineered specifically for military and civil aircraft turboprop and turbojet engines requiring a \u003cstrong\u003eMIL-PRF-7808\u003c\/strong\u003e specification lubricant. Formulated with a specialized additive package, AeroShell 308 delivers high thermal-oxidative stability, exceptionally low deposit-forming tendencies, and superior fluid protection across extreme thermal windows.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAviation Depot Advantage:\u003c\/strong\u003e Fully qualified to U.S. Military Specification \u003cstrong\u003eMIL-PRF-7808 Grade 3\u003c\/strong\u003e (NATO Code O-148 \/ Joint Service Designation OX-9), AeroShell 308 excels in cold-weather flight operations. Its 3 cSt low-viscosity matrix ensures effortless sub-zero cold starts and immediate oil pressure build-up while protecting turbine bearings and accessory drives against wear, sludge, and acid formation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Information:\u003c\/strong\u003e\u003cbr\u003e• \u003cstrong\u003eCase Packaging:\u003c\/strong\u003e Case of 24 Quart Cans (1 US Qt each) | \u003cstrong\u003eMFG #: 550050174\u003c\/strong\u003e\u003cbr\u003e• Note: Formulated with synthetic ester basestocks. Verify seal and paint compatibility prior to application.\u003c\/p\u003e\n\u003ch3\u003eKey Characteristics \u0026amp; Performance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIL-PRF-7808M Grade 3 Qualified:\u003c\/strong\u003e Meets strict military procurement guidelines for 3 cSt synthetic turbine engine and accessory lubricants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Low-Temperature Fluidity:\u003c\/strong\u003e Ensures reliable lubrication and rapid fluid circulation during severe sub-zero cold engine starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Deposit-Forming Tendency:\u003c\/strong\u003e Resists thermal breakdown, minimizing varnish and carbon sludge accumulation in hot-section bearing cavities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Thermal \u0026amp; Oxidation Defense:\u003c\/strong\u003e Protects internal engine components against chemical corrosion, rust, and oil degradation under continuous load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Hangar Case Packaging:\u003c\/strong\u003e Supplied in a full case of 24 individual quart cans to streamline inventory replenishment for maintenance depots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Aviation Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilitary \u0026amp; Civil Turboprop Engines:\u003c\/strong\u003e Main engine lubricant for specialized turboprop powerplants requiring MIL-PRF-7808 fluids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-Zero \u0026amp; Cold-Weather Turbojets:\u003c\/strong\u003e Deployed in jet engines operating in arctic or low-temperature environments where 5 cSt oils are too viscous for startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAircraft Auxiliary Power Units (APUs):\u003c\/strong\u003e Essential for APU starter-generators, air cycle machines, and constant speed drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirframe Accessory Drives:\u003c\/strong\u003e Lubricates high-speed gearbox accessories and flight-line support equipment specifying NATO O-148 oils.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Military Approvals\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer \/ Product Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShell Aviation \/ AeroShell® Turbine Oil 308\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUS Military Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMIL-PRF-7808M Grade 3 (Formerly MIL-L-7808)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNATO \u0026amp; Joint Service Codes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNATO Code O-148 | Joint Service Designation OX-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Chemistry \u0026amp; Viscosity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSynthetic Ester Blend | 3 cSt (mm²\/s) at 100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaging Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCase of 24 Quarts (1 US Qt Cans) | MFG # 550050174\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Operating Focus\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow-temperature startup, turboprop engines, APU drives, and MIL-SPEC systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Aeroshell","offers":[{"title":"Quart Can","offer_id":52488906539380,"sku":"308-1QT","price":27.63,"currency_code":"USD","in_stock":true},{"title":"Case of 24 QT - FREE GROUND SHIPPING","offer_id":54033524064628,"sku":"308-1QT-CS","price":680.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/2991\/9604\/files\/aeroshell-308-turbine-oil-mil-prf-7808m-case-550050174-quart.png?v=1787758657","url":"https:\/\/145.aero\/products\/aeroshell-308-turbine-oil","provider":"Aircraft Shop Supply","version":"1.0","type":"link"}