1、MIL-PRF-7024F 20 January 2012 SUPERSEDING MIL-PRF-7024E 1 October 1997 PERFORMANCE SPECIFICATION CALIBRATING FLUIDS, AIRCRAFT FUEL SYSTEM COMPONENTS AMSC N/A FSC 6850 DISTRIBUTION STATEMENT A Approved for public release; distribution is unlimited. METRIC Comments, suggestions, or questions on this d
2、ocument should be addressed to AFPA/PTPT, 2430 C Street, Bldg 70, Area B, Wright-Patterson AFB OH 45433-7632 or e-mailed to AFPET.AFTTwpafb.af.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.
3、daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7024F 2 This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope1.2 . This specification covers the requirements for
4、three types of calibrating fluid used in the calibration of aircraft fuel system components. ClassificationType I . The fluids will be of the following types as specified (6.2): Normal Heptane Type II Special Run Stoddard Solvent Type III High Flash Point Fluid 2. APPLICABLE DOCUMENTS 2.1 General2.2
5、 . The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completen
6、ess of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. Government documents2.2.1 . Specifications, standards, and handbooksDEPARTMENT OF DEFENSE SPECIFICATIONS . Th
7、e following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitationor contract.MIL-PRF-25017 Inhibitor, Corrosion/Lubricity Improver, Fuel Soluble (Copies of the
8、se documents are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia PA 19111-5094 or online at https:/assist.daps.dla.mil or https:/assist.daps.dla.mil/quicksearch.) 2.3 Non-government publicationsASTM INTERNATIONAL . The following documents form a
9、part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASTM D56 Standard Test Method for Flash Point by Tag Closed Cup Tester (DoD Adopted) ASTM D86 Standard Test Method for Distillation of Petr
10、oleum Products at Atmospheric Pressure (DoD Adopted) ASTM D130 Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test (DoD Adopted) ASTM D156 Standard Test Method for Saybolt Color of Petroleum Products (Saybolt Chromometer Method) (DoD Adopted) ASTM D323 Stand
11、ard Test Method for Vapor Pressure of Petroleum Products (Reid Method) (DoD adopted) ASTM D381 Standard Test Method for Gum Content in Fuels by Jet Evaporation (DoD Adopted) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7024F 3 ASTM D445 St
12、andard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and the Calculation of Dynamic Viscosity) (DoD Adopted) ASTM D873 Standard Test Method for Oxidation Stability of Aviation Fuels (Potential Residue Method) (DoD adopted) ASTM D1093 Standard Test Method for Acidity of Hydro
13、carbon Liquids and Their Distillation Residues (DoD adopted) ASTM D1298 Standard Test Method for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method (DoD Adopted) ASTM D1319 Standard Test Method for Hydrocarbon Types in L
14、iquid Petroleum Products by Fluorescent Indicator Adsorption (DoD Adopted) ASTM D2276 Standard Test Method for Particulate Contaminant in Aviation Fuel by Line Sampling (DoD Adopted) ASTM D2386 Standard Test Method for Freezing Point of Aviation Fuels (DoD Adopted) ASTM D3227 Standard Test Method fo
15、r (Thiol Mercaptan) Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels (Potentiometric Method) (DoD Adopted) ASTM D3242 Standard Test Method for Acidity in Aviation Turbine Fuel (DoD Adopted) ASTM D3606 Standard Test Method for Determination of Benzene and Toluene in Finished Motor
16、 and Aviation Gasoline by Gas Chromatography (DoD adopted) ASTM D4052 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter (DoD Adopted) ASTM D4057 Standard Practice for Manual Sampling of Petroleum and Petroleum Products (DoD Adopted) ASTM D4952 St
17、andard Test Method for Qualitative Analysis for Active Sulfur Species in Fuels and Solvents (Doctor Test) (DoD Adopted) ASTM D5191 Standard Test Method for Vapor Pressure of Petroleum Products (Mini Method) (DoD adopted) ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels
18、 by Laboratory Filtration (DoD Adopted) ASTM D5972 Standard Test Method for Freezing Point of Aviation Fuels (Automatic Phase Transition Method) (DoD Adopted) ASTM D6045 Standard Test Method for Color of Petroleum Products by the Automatic Tristimulus Method ASTM E29 Standard Practice for Using Sign
19、ificant Digits in Test Data to Determine Conformance with Specifications (DoD Adopted) (Copies of these documents are available at ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken PA 19428-2959. Electronic copies of ASTM standards may be obtained from http:/www.astm.org.) Pr
20、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7024F 4 2.4 Order of precedence3. REQUIREMENTS . Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the
21、 text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3.1 Materials3.2 Chemical and physical requirements. The product shall conform to the requirements as specified in Table I. Requiremen
22、ts in Table I are absolute and not subject to correction for tolerance of test methods. The finished calibrating fluid shall be homogeneous, visually free from water, sediment, or suspended matter and shall be clear and bright at the ambient temperature or at 21 Celsius (70 Fahrenheit), whichever is
23、 higher. . The fluids shall consist completely of hydrocarbon compounds, except as otherwise specified herein. 3.3 Additives corrosion inhibitor. If so specified by the procuring activity, a corrosion inhibitor conforming to MIL-PRF-25017 shall be blended into the calibration fluid by the contractor
24、. The amount added shall be equal to or greater than the minimum effective concentration listed in the latest revision of QPL-25017. The supplier may add any one of the corrosion inhibitors listed on the latest revision of QPL25017. The supplier shall maintain documentation that the corrosion inhibi
25、tor used is an approved QPL-25017 product. 3.4 Additives - antioxidants. If so specified by the procuring activity, an antioxidant additive shall be blended into the type II calibrating fluid in total concentration of not less than 12.0 milligrams of active ingredient per liter (4.2 pounds of inhibi
26、tor, not including weight of solvents, per 1000 barrels of fluid) nor more than 24.0 milligrams of active ingredient per liter (8.4 pounds per 1000 barrels), in order to prevent the formation of gums and peroxides. The following antioxidant formulations or combinations thereof are approved for use:
27、a. 2,6-di-tert-butyl-4-methylphenol b. 6-tert-butyl-2,4-dimethylphenol c. 2,6-di-tert-butylphenol d. 75 percent min-2,6-di-tert-butylphenol 25 percent max tert-butylphenols and tri-tert-butylphenols e. 72 percent min 6-tert-butyl-2,4-dimethylphenol 28 percent max tert-butyl-methylphenols and tert-bu
28、tyl-dimethylphenols f. 55 percent min 2,4-dimethyl-6-tert-butylphenol and 15 percent min 2,6-di-tert-butyl-4-methylphenol and 30 percent max mixed methyl and dimethyl tert-butylphenols 3.5 Workmanship. The finished calibrating fluid shall be homogeneous, visually free from undissolved water, sedimen
29、t, or suspended matter and shall be clear and bright at the ambient temperature or at 21C (70F), whichever is higher. 3.6 Toxicity. The finished calibrating fluid shall have no adverse effect on the health of personnel when used for its intended purpose. The fluid shall contain no components which p
30、roduce noxious vapors in such concentrations that would cause physical irritation to personnel during use or formulation under conditions of adequate ventilation. Percent composition of benzene shall be less than 0.01% of the total volume of the calibrating fluid due to the toxic properties of benze
31、ne. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7024F 5 TABLE I. Chemical and physical requirements and test methods. REQUIREMENTS Type I Type II Type III ASTM Method Specific Gravity, 15.6C/15.6C (60F/60F) 0.699 0.002 0.770 0.005 0.780 0
32、.005 D1298 D4052 Color, Saybolt, Lighter Than +25 +25 D156 D6045 Viscosity, mm2/s at 0C (32F) 25C (77F) 37.8C (100F) 0.785 0.01 0.54 0.01 1.17 0.05 2.47 0.10 D445 Vapor Pressure at 37.8C (100F), kPa (psi) Max 13.8 (2.0) D323 D 5191 Existent Gum, mg/100 mL Max 2.0 5.0 D381 1Potential Gum, mg/100 mL M
33、ax 5.0 D873 2Distillation: Initial BP C (F) min Recovered 10% C (F) Recovered 50% C (F) Recovered 90% C (F) 149 (300) 216 (420) Note 3221-232 (430-450) Note 3D86 Final Boiling Point C (F) 210 (410) Max 232-246 (450-475) Recovery, Percent Min 98.5 Range, 5 to 95% points C (F) 1.7 (3) 4Residue, Volume
34、 %, Max 1.5 Loss, Volume %, Max 1.5 Flash Point, C (F), Min 38 (100) 79 (175) D56 Aromatics, Vol %, Max 20.0 D1319 Benzene, Vol %, Max 0.01 0.01 0.01 D3606 Olefins, Vol %, Max 5.0 D1319 Particulate Matter, mg/L, Max 2.0 D2276 D5452 Mercaptan Sulfur, % Wt, Max or Doctor Test 0.001 Sweet D3227 D4952 C
35、opper Corrosion, Max No. 1 No. 1 No. 1 D130 Total Acid Number, mg KOH/g, Max 0.015 D3242 Freezing Point, C (F), Max -54 (-65) D2386 D5972 Acidity, Distillation Residue, Max Neutral D1093 Notes: 1. Air Jet Method 2. 5-Hour Aging Period 3. To Be Reported-Not Limited 4. Must Include Temperature of 98C
36、(208F) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7024F 6 3.7 Limiting Values. The following applies to all specified limits in this performance specification: For the purposes of determining conformance with these requirements, an obser
37、ved value or a calculated value shall be rounded off “to the nearest unit” in the last righthand digit used in expressing the specification limit according to the roundingoff method of ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications.
38、3.8 Recycled, recovered, or environmentally preferable materials4. VERIFICATION . Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economi
39、cally advantageous life cycle costs. 4.1 Classification of inspections4.2 Quality conformance inspection. Inspections of individual lots shall serve as a basis for acceptance and shall consist of all the examinations and tests specified in section 3. Use the chemical and physical requirements and ap
40、plicable test methods as specified in Table I for conformance testing. . The inspections shall be classified as quality conformance inspections. 4.3 Lot definitions. 4.3.1 Bulk Lot of Material. An indefinite quantity of a homogeneous mixture of material contained in one isolated tank or kettle which
41、 is greater than 208 liters (55 gallons) in size, or a quantity manufactured by a single plant run through the same processing equipment during one continuous operation not exceeding a 24hour period. 4.3.2 Packaged Lot of Material. As an indefinite number of 208 liter (55 gallon) drums or smaller un
42、it containers of identical size and type, filled with a homogeneous mixture of material manufactured by a single plant run through the same processing equipment during one continuous operation not exceeding a 24 hour period. 4.4 Sample. Each sample shall be of sufficient size to conduct all the qual
43、ity conformance tests as specified herein. Unless otherwise specified, the quality conformance tests shall be performed on each required sample. 4.5 Sampling. Sampling shall be in accordance with ASTM D4057. 4.5.1 Drums. The number of drums selected for sampling from each lot shall be according to T
44、able II. The calibrating fluid from each container sampled shall constitute a separate sample. TABLE II. Sampling for test. Number of containers in lot Number of containers to be sampled 2 25 1 26 150 3 151 1200 5 1201 7000 7 4.5.2 Portable tanks, cargo tanks, and tank cars. Each portable tank, carg
45、o tank, or tank car shall constitute a lot. Unless otherwise specified, the sample shall be composited into one sample when onethird portions are withdrawn from the bottom, center, and top thirds of the tank. 4.5.3 Other containers. Unless otherwise specified, other containers of 380 liters (100 gal
46、lons) or less water capacity shall be sampled according to 4.5.1. Containers greater than 380 liters (100 gallons) water capacity shall be sampled according to 4.5.2. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-7024F 7 4.6 Government requ
47、ested sample. When requested, a 4 liter (1 gallon) sample shall be forwarded to the laboratory designated by the procuring activity for testing as specified herein. 4.7 Rejection. Failure of any calibrating fluid sample to conform to any of the specification requirements shall be cause for rejection
48、 of the lot represented. 5. PACKAGING 5.1 Packaging6 NOTES . For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel need to contact th
49、e responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Points packaging activities within the Military Service or Defense Agency, or within the military services system commands. Packaging data retrieval is available from the manag
