1、INCH-POUNDMIL-PRF-7808L2 May 1997SUPERSEDINGMIL-L-7808K20 July 1994PERFORMANCE SPECIFICATIONLUBRICATING OIL, AIRCRAFT TURBINE ENGINE, SYNTHETIC BASEThis specification is approved for use by all Departments and Agencies of the Department of Defense.1. SCOPE1.1 Scope. This specification covers the req
2、uirements for two grades of aircraft turbine engine lubricating oil.1.2 Classification. The lubricating oil will be furnished in the following grades, as specified:Grade NATO Symbol3 0-1484 0-163Grade 3 is normally used in most applications and will be supplied when requisitioned, unless otherwise s
3、pecified.Grade 4 should be specified when higher viscosity or greater thermal stability is needed.Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use inimproving this document should be addressed to: ASC/ENSI, 2530 Loop Road W, Wright-Patterson AFB
4、OH45433-7101, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426)appearing at the end of this document, or by letter.AMSC N/A FSC 9150DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or
5、networking permitted without license from IHS-,-,-MIL-PRF-7808L22. APPLICABLE DOCUMENTS2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. Thissection does not include documents cited in other sections of this specification or recommended for ad
6、ditionalinformation or as examples. While every effort has been made to ensure the completeness of this list, documentusers are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of thisspecification, whether or not they are listed.2.2 Government documents2.
7、2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form apart of this document to the extent specified herein. Unless otherwise specified, the issues of these documents willbe those listed in the issue of the Department of Defense Index of Specificat
8、ions and Standards (DoDISS) andsupplement thereto, cited in the solicitation (see 6.2).SPECIFICATIONSFEDERALQQ-A-250/4Aluminum Alloy 2024, Plate and SheetQQ-S-698 Steel, Sheet and Strip, Low CarbonDEPARTMENT OF DEFENSEMIL-C-8188 Corrosion-Preventive Oil, Gas Turbine Engine, Aircraft SyntheticBaseMIL
9、-S-13282 Silver and Silver AlloysMIL-PRF-23699 Lubricating Oil, Aircraft Turbine Engine, Synthetic Base, NATOCode Number 0-156MIL-L-27502 Lubricating Oil, Aircraft Turbine Engine, Ester BaseSTANDARDSFEDERALFED-STD-313 Material Safety Data Sheets, Preparation and Submission ofFED-STD-791 Lubricants,
10、Liquid Fuels, and Related Products; Methods of TestingMILITARYMIL-STD-290 Packaging of Petroleum and Related ProductsTECHNICAL ORDERSTO 33A6-7-24-11 Operations and Maintenance Instructions for Fluid AnalysisSpectrometer, Type A/E35U-3A(Unless otherwise indicated, copies of the above specifications,
11、standards, and handbooks are available from theDefense Automated Printing Service, 700 Robbins Avenue, Bldg 4D, Philadelphia PA 19111-5094.)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7808L32.2.2 Other Government documents, drawings, and
12、publications. The following other Government documents,drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified,the issues are those cited in the solicitation.CODE OF FEDERAL REGULATIONS (CFR)DEPARTMENT OF LABOR29 CFR 1910.1200 Occupational S
13、afety and Health Standards - Hazard Communications(Application for copies should be addressed to the Superintendent of Documents, Government Printing Office,Washington DC 20402.)2.3 Non-government publications. The following documents form a part of this document to the extent specifiedherein. Unles
14、s otherwise specified, the issues of the documents which are DOD adopted are those listed in the issueof the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in theDoDISS are the issues of the documents cited in the solicitation (see 6.2).SOCIETY OF AU
15、TOMOTIVE ENGINEERS (SAE)AEROSPACE MATERIAL SPECIFICATIONS (AMS)AMS 3217 Test Slabs, Acrylonitrile Butadiene (NBR-H) High AcrylonitrileFluoroelastomer (FKM), and Fluorosilicone (FVMQ) (DoD adopted)AMS 4616 Silicon Bronze Bars, Rods, Forgings, and Tubing 92Cu - 3.2Si - 2.8Zn-1.5Fe (DoD adopted)AMS 490
16、8 Titanium Alloy Sheet and Strip - 8Mn Annealed, 110,000 psi (760 MPa)Yield Strength (DoD adopted)AMS 5544 Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate 57Ni -19.5Cr -13.5Co - 4.2Mo - 3.0Ti - 1.4Al - 0.05Zr - 0.006B, Consumable Electrodeor Vacuum Induction Melted, Annealed (DoD adopte
17、d)AMS 6490 Steel Bars, Forgings and Tubing 4.0Cr - 4.2Mo - 1.0V - (0.77-0.85C),Premium Aircraft Quality for Bearing Applications, Consumable ElectrodeVacuum Melted (DoD adopted)(Application for copies should be addressed to the Society of Automotive Engineers, Inc., 400 CommonwealthDrive, Warrendale
18、 PA 15096-0001; telephone (412) 776-4841.)AMERICAN SOCIETY FOR QUALITY CONTROL (ASQC)ASQC- Z1.4 Sampling Procedures and Tables for Inspection by Attributes(DoD adopted)(Application for copies should be addressed to the American Society for Quality Control, PO Box 3005,611 East Wisconsin Avenue, Milw
19、aukee WI 53201-4606.)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7808L4AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)ASTM B152 Standard Specification for Copper Sheet, Strip, Plate, and Rolled Bar(DoD adopted)ASTM D92 Standard Test Met
20、hod for Flash and Fire Points by Cleveland Open Cup, (AASHTO No. T48) (DoD-adopted)ASTM D235 Standard Specification for Mineral Spirits (Petroleum Spirits)(Hydrocarbon Dry Cleaning Solvent) (DoD adopted)ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (And the
21、 Calculation of Dynamic Viscosity)(DoD adopted)ASTM D664 Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration (British Standard 4457) (DoD adopted)ASTM D972 Standard Test Method for Evaporation Loss of Lubricating Greases and Oils (DoD adopted)ASTM D1947 Standard Te
22、st Method for Load-Carrying Capacity of Petroleum Oil and Synthetic Fluid Gear Lubricants (DoD adopted)ASTM D2273 Standard Test Method for Trace Sediment in Lubricating Oils(DoD adopted)ASTM D2532 Standard Test Method for Viscosity and Viscosity Change After Standing at Low Temperature of Aircraft T
23、urbine Lubricants(DoD adopted)ASTM D2603 Standard Test Method for Sonic Shear Stability of Polymer-Containing OilsASTM D4057 Standard Practice for Manual Sampling of Petroleum and PetroleumProductsASTM D4177 Standard Practice for Automatic Sampling of Petroleum and Petroleum Products (DoD adopted)AS
24、TM D4636 Standard Test Method for Corrosiveness and Oxidation Stability of Hydraulic Oils, Aircraft Turbine Engine Lubricants, and Other Highly Refined OilsASTM D5182 Standard Test Method for Evaluating the Scuffing (Scoring) LoadCapacity of OilsASTM E1 Standard Specification for ASTM Thermometers (
25、Method 9501 -Federal Test Method Standard 791) (DoD adopted)(Application for copies should be addressed to the American Society for Testing and Materials, 100 Barr HarborDrive, West Conshohocken PA 19428-2959.)2.4 Order of precedence. In the event of a conflict between the text of this document and
26、the references citedherein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable lawsand regulations unless a specific exemption has been obtained.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF
27、-7808L53. REQUIREMENTS3.1 Qualification. The lubricating oils furnished under this specification shall be products that are authorized bythe Qualifying Activity for listing on the applicable Qualified Products List (QPL) before contract award (see 4.2and 6.3).3.2 Materials. The composition of this l
28、ubricating oil is not limited; however, organometallic compounds oftitanium and silicone antifoam agents and known or suspected human carcinogens (as defined by the OccupationalSafety and Health Standards - Hazard Communications, 29 CFR 1910.1200) are prohibited. If the lubricating oilcontains a tri
29、cresyl phosphate additive, not more than 1 percent of the tricresyl phosphate additive shall be orthoisomer. The engine lubricating oil shall have no adverse effect on the health of personnel when used for itsintended purpose. Recycled basestocks are permitted; however, each batch must be fully test
30、ed in accordance withall qualification requirements of this specification. The manufacturer may be required to submit certification ofconformance to this paragraph (see 6.2).3.2.1 Ozone depleting chemicals. The following tests currently require the use of ozone depleting chemicals(ODCs). An acceptab
31、le substitute for each has been identified for each test.ASTM Test Method ODC Substance Acceptable SubstitutesASTM D4636 Trichlorotrifluoroethane n-HeptaneCorrosiveness and Oxidation Stability 1,1,1-Trichloroethaneof Hydraulic Oils, Aircraft Turbine EngineLubricants, and Other Highly Refined OilsFed
32、eral Test MethodFTM 3214 Trichlorotrifluoroethane n-HeptaneFoaming Characteristics of Aircraft TurbineLubricating Oils (Dynamic Foam Test)FTM 3403 1,1,1-Trichloroethane n-HeptaneCompatibility of Turbine Lubricating OilsFTM 5305 1,1,1-Trichloroethane ASTM D235, Type IVCorrosiveness of Lubricants at 2
33、32C (450F)FTM 5307 Trichlorotrifluoroethane n-HeptaneCorrosiveness and Oxidation Stability (Freon)of Aircraft Turbine Engine Lubricants3.3 Chemical and physical requirements. All classifications of the finished lubricating oil shall conform to therequirements listed in section 3 and tables I, II, an
34、d III when tested in accordance with the applicable test methods.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7808L6TABLE I. Chemical, physical, and performance requirements.Characteristic Requirement Test MethodGrade 3 Grade 4 ASTM FED-ST
35、D-791Particulate contamination(3micron filter) FTM 3013Contaminant, mg/literFiltering time, min0.95 liter (1 quart)223 mililiter (7.5 ounce)5.0 max30 max7.0 max5.0 max30 maxAcid number (T.A.N.), mg KOH/g0.30 max1/0.5 max1/D664Viscosity at 205C (401F), cs 1.1 min D445Viscosity at 100C (212F), cs 3.0
36、min 4.0 min D445Viscosity at 40C (104F), cs 11.5 min 17.0 min D445Viscosity at -51C (-60F), csat 35 minutes17 103max 20 103maxD2532at 3 hours17 103max2/20 103max2/D2532at 72 hours17 103max 20 103maxD2532Flash point, C(F) 210(410)min 210(410)min D92Evaporation loss, at 205C(401F), %30 max3/15 max3/D9
37、72Foaming (static) FTM 3213Foam volume, ml 100 max 100 maxFoam collapse time, sec 60 max 60 maxFoaming (dynamic) FTM 3214Foam volume, mlCollapse time, sec80C (176F) at 1000 cc/min80C (176F) at 1500 cc/min80C (176F) at 2000 cc/min110C (230F) at 1000 cc/min110C (230F) at 1500 cc/min110C (230F) at 2000
38、 cc/min100/60 max150/60 max200/60 max100/60 max150/60 max200/60 max100/60 max150 /60 max200/60 max100/60 max150/60 max200/60 maxDeposition test (WADC)Deposit ratingAcid number change,mg KOH/gViscosity at 40C (104F),% change Oil consumption, ml1.5 max20 max100 max100 max0.7 max20 max100 max100 maxFTM
39、 5003Lead corrosion, g/m29.3 max4/9.3 max4/FTM 5321Corrosion test at 232C (450F)Silver, g/m2Bronze, g/m24.5 max4/4.5 max4,6/4.5 max4/4.5 max4,6/FTM 53055/Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7808L7TABLE I. Chemical, physical, and p
40、erformance requirements. (cont)CharacteristicRequirement Test MethodGrade 3 Grade 4 ASTM FED-STD-791Thermal stability and corrosivityat 274C (525F)Viscosity change, % 7/Total acid number change,mg KOH/gMetal weight change,mg/cm25.0 max6.0 max4.0 maxFTM 3411Shear stability, viscosity loss, % 4 max D2
41、603 8/Trace metal content, ppm, maximum9/Aluminum (Al) 2 2Iron (Fe) 2 2Chromium (Cr) 2 2Silver (Ag) 1 1Copper (Cu) 1 1Tin (Sn)1110/1110/Magnesium (Mg) 2 2Nickel (Ni) 2 2Titanium (Ti) 1 1Silicon (Si) 2 2CompatibilityFTM 340311/Turbidity None NoneSediment, ml/200 ml oil, maximumMIL-PRF-7808 0.005 0.00
42、5MIL-PRF-23699 0.005 0.005MIL-C-8188 0.05 0.05Storage stabilityLow temperature, 6 weeksat -18C (0F)12/no crystallization,separation or gellingAccelerated, 110C 1C(230F 2F)13/Lead corrosion, g/m2after 48 hoursafter 168 hours40230Extended, after 3 years,ambient temperaturemeet conformanceinspection (s
43、ee 4.3)14/Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7808L81/Titrate to a pH 11 end point.2/Result shall not differ from the 35-minute determination by more than 6.0 percent.3/Use a 6 1/2-hour test period and a bath temperature of 205C 1
44、C (401F 2F). ASTM Standard E1-67 Thermometer No. 80-F shall be used. Air temperature shall be maintained at 205C 1C (401F 4F), using a preheater, if necessary.4/Multiply mg/in2by 1.55 to convert to g/m2.5/In order to minimize vapors (see 4.4), Erlenmeyer flasks with proper ground joints (24/40) may
45、be used with elbow adapters and tubing, capturing vapors in a liquid trap.6/Silicon Bronze (SAE-AMS 4616) shall be used in lieu of copper (ASTM B152).7/Compared with viscosity of new oil samples tested at 40.0C (104F).8/Use an irradiation period of 30 minutes on a 30-ml (1-oz) oil sample at a power
46、setting which causes 11.5 0.5 percent viscosity loss to a 30-ml (1-oz) sample of ASTM Reference Fluid A when irradiated for 5 minutes.9/See paragraph 4.4.1 for test method details.10/When determined in accordance with 4.4.1, tin (Sn) content appears approximately 7 ppm above actual concentration. Wh
47、en other spectrometers and methods are used, the maximum tin (Sn) content shall be 4 ppm.11/See paragraph 4.4.3 for test method details.12/See paragraph 4.4.4 for test method details.13/See paragraph 4.4.5 for test method details.14/See paragraph 4.4.6 for test method details. Tentative approval wil
48、l be given to products meeting qualification inspection (see 4.2), pending successful completion of the extended storage stability test. Failure to pass this test shall be cause for withdrawal of approval.TABLE II. Chemical, physical, and performance requirements: elastomer compatibility.StandardEla
49、stomerStockFED-STD791MethodTest Time atTemp(Hr/C)SwellPercent Min-MaxTensileStrength, %Change, MaxElongationPercentChange, MaxHardnessChange,MaxSAE-AMS3217/1 3604 168/70 12-35SAE-AMS3217/4 3432 72/175 2-25 50 50 20SAE-AMS3217/5 3432 72/150 2-25 50 50 203.4 Bench performance requirements. Bench performance requirements shall be as specified in 3.4.1 and 3.4.2.3.4.1 Bearing
