1、 MIL-DTL-23549D10 May 2002 SUPERSEDINGMIL-G-23549CINTERIM AMENDMENT 130 April 1997MIL-G-23549C31 MARCH 1981DETAIL SPECIFICATIONGREASE, GENERAL PURPOSEThis specification is approved for use by all Departments and Agencies of the Departmentof Defense.1. SCOPE1.1 Scope. This specification covers the re
2、quirements for one type and grade of a generalpurpose molybdenum disulfide grease for extended use at temperatures up to 177 C (350 F)and for brief periods of use at temperatures up to 204 C (400 F) (see 6.1).2. APPLICABLE DOCUMENTS2.1 General. The documents listed in this section are specified in s
3、ections 3 and 4 of thisspecification. This section does not include documents cited in other sections of thisspecification or recommended for additional information or as examples. While every effort hasbeen made to ensure the completeness of this list, document users are cautioned that they mustmee
4、t all specified requirements documents cited in sections 3 and 4 of this specification, whetheror not they are listed.2.2 Government documents.2.2.1 Specifications and standards. The following specifications and standards form a partof this document to the extent specified herein. Unless otherwise s
5、pecified, the issues of thesedocuments are those listed in the issue of the Department of Defense Index of Specifications andStandards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2).AMSC N/A FSC 9150DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimite
6、dBeneficial comments (recommendations, additions, deletions) and any pertinent data which may be ofuse in improving this document should be addressed to: Commander, Naval Air Warfare CenterAircraft Division, Code 414100B120-3, Highway 547, Lakehurst, NJ 08733-5100, by using theStandardization Docume
7、nt Improvement Proposal (DD Form 1426) appearing at the end of thisdocument or by letter.METRICProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23549D2STANDARDSFEDERALFED-STD-791 - Lubricants, Liquid Fuels, and Related Products; Methods ofTest
8、ing.(Unless otherwise indicated, copies of the above specifications and standards are availablefrom the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D,Philadelphia, PA 19111-5094.)2.3 Non-Government publications. The following documents form a part of this documentto the extent
9、 specified herein. Unless otherwise specified, the issues of the documents which areDoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unlessotherwise specified, the issues of documents not listed in the DoDISS are the issues of thedocuments cited in the solicitation
10、(see 6.2).AMERICAN SOCIETY FOR QUALITY CONTROL (ASQC)ASQC-Z1.4 - Procedures, Sampling and Tables for Inspection byAttributes. (DoD adopted)(Application for copies should be addressed to the American Society for Quality Control,P.O. Box 3005, 611 East Wisconsin Avenue, Milwaukee, WI 53201-4606.)AMERI
11、CAN SOCIETY FOR TESTING AND MATERIALS (ASTM)ASTM-D97 - Petroleum Products, Pour Point of. (DoD adopted)ASTM-D130 - Copper Corrosion from Petroleum Products by the CopperStrip Tarnish Test, Detection of. (DoD adopted)ASTM-D217 - Cone Penetration of Lubricating Grease. (DoD adopted)ASTM-D2265 - Lubric
12、ating Grease, Over Wide Temperature Range,Dropping Point of. (DoD adopted)ASTM-D2595 - Greases, Lubricating, Over Wide Temperature Range,Evaporation Loss of. (DoD adopted)ASTM-D2596 - Grease, Lubricating, Measurement of Extreme-Pressure,Properties of (Four-Ball Method). (DoD adopted)(Application for
13、 copies should be addressed to the American Society Testing and Materials,100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23549D3SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)SAE-AMS-M-7866 - Mo
14、lybdenum Disulfide, Technical, LubricationGrade. (DoD adopted)(Application for copies should be addressed to the Society of Automotive Engineers,400 Commonwealth Drive, Warrendale, PA 15096-0001).2.4 Order of precedence. In the event of a conflict between the text of this document andthe references
15、cited herein, the text of this document takes precedence. Nothing in thisdocument, however, supersedes applicable laws and regulations unless a specific exemption hasbeen obtained.3. REQUIREMENTS3.1 Qualification. The grease furnished under this specification shall be a product that isauthorized by
16、the qualifying activity for listing on the applicable qualified products list beforecontract award (see 4.2 and 6.3).3.2 Material. The composition of the grease is not limited, except that it shall contain ahigh-viscosity mineral oil with a non-soap thickener, 5 percent molybdenum disulfideconformin
17、g to SAE-AMS-M-7866, and a corrosion inhibitor (see 6.5).3.3 Physical properties. The finished grease shall meet the requirements specified in table I.TABLE I. Physical properties.Characteristics Requirements Test paragraphPenetration, worked 270 315 4.5.2Dropping point, C (F) minimum 232 (450) 4.5.
18、2Oil separation, percent weightloss, maximum 1/ 6 4.5.2Copper corrosion, at 149 C(300 F), ASTM-D130classification, maximum2/ 2a 4.5.2Salt spray (galvanic corrosion) Pass 3/ 4.5.2Boiling water immersion, after10 minutes No disintegration 4/ 4.5.2Evaporation, at 177 C (350 F),percent weight loss, maxi
19、mum 7 4.5.2Load wear index, minimum 50 4.5.2Storage stability, after 6 monthsat 38 3 C (100 5 F),maximum 5/30 points 4.5.3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23549D41/ Thirty hours at 177 C (350 F).2/ If a strip appears to have a
20、darker orange color than ASTM-D130 standard strip 1b,consider the observed strip as still belonging in ASTM-D130 classification 1b. However,if any evidence of red color is noticed, the observed strip belongs in ASTM-D130classification 2.3/ After a test period of 48 hours, the steel disk shall show n
21、o corrosion in the areacontacted by the brass clip. Slight corrosion in the area adjacent to the edge of the brassclip shall be acceptable.4/ A thin film of oil or light scum shall not be cause for rejection.5/ Change in test value from the original worked penetration.3.4 Workmanship. The grease sha
22、ll be a smooth, homogeneous, and uniform product thatis not gritty.4. VERIFICATION4.1 Classification of inspection. The inspection requirements specified herein are classifiedas follows:a. Qualification inspection (see 4.2).b. Conformance inspection (see 4.3).4.2 Qualification inspection. The qualif
23、ication inspection shall consist of all tests andexaminations of this specification (see 6.3).4.2.1 Retention of qualification. In order to retain qualification of a product approved forlisting on the qualified Products List (QPL), the manufacturer will be required to verify bycertification to the q
24、ualifying activity that the manufacturers product complies with therequirements of this specification. The time of periodic verification by certification shall be intwo year intervals from the date of original qualification. The Government reserves the right tore-examine the qualified product whenev
25、er deemed necessary to determine that the productcontinues to meet any or all of the specification requirements.4.3 Conformance inspection. Conformance inspection shall consist of the examinations andtests specified in table II.Provided by IHSNot for ResaleNo reproduction or networking permitted wit
26、hout license from IHS-,-,-MIL-DTL-23549D5TABLE II. Conformance inspection tests and examinations.ParagraphInspectionRequirement Test methodPenetration, worked 3.3 4.5.2Dropping point 3.3 4.5.2Oil separation 3.3 4.5.2Copper corrosion 3.3 4.5.2Salt spray 3.3 4.5.2Boiling water immersion 3.3 4.5.2Evapo
27、ration 3.3 4.5.2Load wear index 3.3 4.5.2Workmanship 3.4 4.5.44.3.1 Sampling.4.3.1.1 For examination of filled containers. A random sample of filled containers, fullyprepared for delivery, shall be selected from each lot of grease (see 6.4.1) in accordance withASQC-Z1.4, inspection level I.4.3.1.2 F
28、or tests. The sample for the tests specified in 4.5.2 shall consist of two 2.27kilograms (5-pound) samples of grease taken at random from filled containers from each lot ofgrease. Both samples shall meet the requirements and pass the tests specified in table II.4.4 Test conditions. Unless otherwise
29、specified, the tests contained in this specificationshall be conducted in an atmosphere having a relative humidity (RH) of 50 + 5 percent and atemperature ranging from 21 to 24.5 C (70 to 76 F). Material shall be considered inequilibrium after exposure to the above conditions for a minimum of 24 hou
30、rs.4.5 Methods of examinations and tests.4.5.1 Examinations. Each of the filled containers, selected in accordance with 4.3.1.1, shallbe weighed to determine the amount of contents, shall be examined for defects of the containerand closure, and for evidence of leakage.4.5.2 Tests. The samples, selec
31、ted in accordance with 4.3.1.2, shall be tested in accordancewith table III to determine conformance to the requirements specified in 3.3.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23549D6TABLE III. Methods of tests.FED-STD-791Characteri
32、stics MethodASTMMethodPenetration, worked D217Dropping point D2265Oil separation 321Copper corrosion 1/ 5309Salt spray 2/ 5322Boiling water immersion 3/ 3463Evaporation D2595Load wear index D25961/ The test shall be conducted at 149 2 C (300 4 F) using cloud pour jars as specifiedin ASTM-D97, Method
33、 2500. The jars shall be filled with enough test sample to coverthe cleaned copper strip by at least 5 millimeters (mm). The strip shall be inserted to thebottom of the jar and the jar covered lightly with a crucible cover, watch glass, or ventedcork. Interpret the corrosiveness of the sample accord
34、ing to how the appearance of thecopper strip compares with one of the copper corrosion standard strips ofASTM-D130.2/ Test cabinet and temperature shall be in accordance with FED-STD-791, Method 4001using a 5 percent salt concentration.3/ Duration of test shall be 10 minutes. Specimen size shall be
35、5 0.1 grams and 500milliliters shall be the volume of water.4.5.3 Storage stability. The worked penetration after storage shall be determined on asample of grease which has been stored in a one pound (453.6 grams) oil-tight container for 6months at a temperature of 38 3 C (100 5 F) subsequent to the
36、 original determination of thepenetration. The penetration after storage shall be determined in accordance with ASTM-D217.4.5.4 Workmanship. The grease shall be examined to determine conformance to therequirements specified in 3.4.5. PACKAGING5.1 Packaging. For acquisition purposes, the packaging re
37、quirements shall be as specified inthe contract or order (see 6.2). When actual packaging of materiel is to be performed by DoDpersonnel, these personnel need to contact the responsible packaging activity to ascertainrequisite packaging requirements. Packaging requirements are maintained by the Inve
38、ntoryControl Points packaging activity within the Military Department or Defense Agency, or withinthe Military Departments System Command. Packaging data retrieval is available from themanaging Military Departments or Defense Agencys automated packaging files, CD-ROMproducts, or by contacting the re
39、sponsible packaging activity.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23549D76. NOTES6.1 Intended use. The molybdenum disulfide grease exceeds commercially availablegreases in order to provide a general purpose grease used for lubricat
40、ion of critical componentsof the shipboard aircraft catapult system, automotive, and ground support equipment.Specifically, the grease is intended for use in environments requiring normal high temperaturesup to 177 C (350 F) or brief exposure to temperatures up to 204 C (400 F). It is also intendedf
41、or use with systems requiring low speed, high load, salt water, and contact with high pressuresteam.6.2 Acquisition requirements. Acquisition documents must specify the following:a. Title, number, and date of this specification.b. Issue of DoDISS to be cited in the solicitation, and if required, the
42、 specific issue of individual documents referenced (see 2.2 and 2.3).c. Quantity desired.d. Size and type of container for grease.e. Packaging requirements (see 5.1).6 .3 Qualification. With respect to products requiring qualification, awards will be madeonly for products which are, at the time of a
43、ward of contract, qualified for inclusion in QualifiedProducts List (QPL-23549), whether or not such products have actually been so listed by thatdate. The attention of the contractors is called to these requirements, and manufacturers areurged to arrange to have the products that they propose to of
44、fer to the Federal Government testedfor qualification in order that they may be eligible to be awarded contracts or purchase orders forthe products covered by this specification. Information pertaining to qualification of productsmay be obtained from the Commander, Naval Air Warfare Center Aircraft
45、Division,Code 4.3.4.1, 48066 Shaw Road, Building 2188, Unit 5, Patuxent River, MD 20670-1908.6.3.1 Qualification samples. Each laboratory qualification sample will consist of one10-pound (4.5 kilograms) can of grease. The samples should be plainly identified by securelyattached durable tags or label
46、s marked with the following information:MIL-DTL-23549DSample for qualification inspectionGREASE GENERAL PURPOSEName of manufacturerProduct code numberBatch or lot numberDate of manufactureSubmitted by (name) (date) for qualification inspection in accordance with the requirementsof MIL-DTL-23549D und
47、er authorization of (reference authorizing letter).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23549D86.4 Batch. A batch consists of all the material which has been manufactured by some unitchemical process and subjected to some physical
48、mixing operation intended to make the finalproduct substantially uniform.6.4.1 Lot. A lot consists of all the grease produced by one manufacturer, at one plant, fromthe same materials, and under the same conditions provided the operation is continuous and doesnot exceed a 24 hour period. In the even
49、t the process is a batch (see 6.4) operation, each batchconstitutes a lot.6.5 Material safety data sheets. Contracting officers will identify those activities requiringcopies of completed Material Safety Data Sheets prepared in accordance with FED-STD-313.The pertinent government mailing addresses for submission of data are listed in Appendix B ofFED-STD-313.6.6 Subject term (key word) listing.Dropp
