1、MIL-DTL-25681E 8 September 2011 SUPERSEDING DOD-L-25681D 5 September 1979 DETAIL SPECIFICATION LUBRICANT, MOLYBDENUM DISULFIDE, SILICONE (NATO S-1735) AMSC N/A FSC 9150 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. METRIC Comments, suggestions, or questions on thi
2、s document 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:/assi
3、st.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25681E 2 This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope2. APPLICABLE DOCUMENTS . This specification cove
4、rs one grade of lubricant for use on sliding surfaces subject to high temperatures in aircraft gas turbine engines. This lubricant is identified by NATO Code Number S-1735 (see 6.3). 2.1 General2.2 Non-government publications. The following documents form a part of this document to the extent specif
5、ied herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. . 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 specificat
6、ion or recommended for additional information or as examples. While every effort has been made to ensure the completeness 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
7、 listed. ASTM International ASTM D92 Flash and Fire Points by Cleveland Open Cup Tester (DoD Adopted) ASTM D445 Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) (DoD Adopted) ASTM D1500 ASTM Color of Petroleum Products (ASTM Color Scale) (DoD Adopted) ASTM
8、 D4057 Manual Sampling of Petroleum and Petroleum Products (DoD Adopted) (Copies of these documents are available online at http:/www.astm.org or the ASTM International, 100 Barr Harbor Drive, West Conshohocken PA 19428-2959) Society of Automotive Engineers AMS-M-7866 Molybdenum Disulfide, Technical
9、 Lubrication Grade (DoD Adopted) (Copies of these documents are available online at http:/www.sae.org or SAE International, 400 Commonwealth Drive, Warrendale PA 15096-0001 USA) 2.3. Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of
10、 this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Toxicity. The materials shall have no adverse effect on the hea
11、lth of personnel when used for their intended purpose. 3.2 Materials. The lubricant shall be of the composition listed in Table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25681E 3 Table I. Composition of MIL-DTL-25681 Material Percent
12、 by weight Molybdenum disulfide 50 1% Silicone oil 50 1% 3.3 Chemical characteristics. The chemical characteristics of each component shall be as follows: 3.3.1 Molybdenum disulfide. The molybdenum disulfide shall conform to AMS-M-7866. 3.3.2 Silicone oil. The silicone oil shall be methyl phenyl pol
13、ysiloxane. A corrosion inhibitor shall be permitted. 3.4 Physical characteristics . The physical characteristics of each component shall be as follows: 3.4.1 Molybdenum disulfide. The molybdenum disulfide shall conform to AMS-M-7866. 3.4.2 Silicone oil. The silicone oil shall conform to the characte
14、ristics listed in Table II. Table II. Physical characteristics of silicone oil component Characteristics Limits Test Method Color (ASTM Color) 2.0 (maximum) ASTM D1500 Flash point 274C (minimum) ASTM D 92 Viscosity at 100C 16 22 mm2/s ASTM D445 Viscosity at 40 65 to 85 mm2/s ASTM D445 3.5 Homogeneit
15、y. The two components shall be thoroughly and uniformly blended together to form a homogeneous mixture at the time of packaging. (The molybdenum disulfide tends to settle to the bottom of the container.) 3.6. Workmanship. When examined visually, the finished lubricant shall contain no adulterations
16、and, after blending, shall be uniform in appearance. 4. VERIFICATION 4.1 Classification of inspection. The inspection requirement specified herein is classified as conformance inspection (see 4.2). 4.2 Conformance inspection. Conformance inspection shall include the lotting of 4.3 and sampling of 4.
17、4. 4.3 Lot. 4.3.1 Bulk lot. A bulk lot is an indefinite quantity of homogeneous mixture of lubricant offered for acceptance in a single isolated container or manufactured in a single plan run (not exceeding 24 hours) through the same processing equipment with no change in the ingredient materials. P
18、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25681E 4 4.3.2 Packaged lot. A packaged lot is an indefinite number of 209 liter (55 gallon) drums smaller unit containers of identical size and type filled with a homogeneous mixture of material
19、 manufactured in a single plant run (not exceeding 24 hours) through the same processing equipment with no change in ingredient materials. 4.4 Sampling. 4.4.1 Sampling for tests. Sampling of a lot for test purposes shall be done in accordance with ASTM D 4057. 4.5 Classification of tests. All tests
20、are classified as conformance tests. 4.6 Test methods. The color, flash point, and kinematic viscosities at 40C and 100C will be determined on the silicone oil component of the lubricant in accordance with the applicable test method as listed in table II. Values obtained falling outside the limits s
21、tated in table II shall be cause for rejection of the lot. 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,
22、 these personnel need to contact the 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. Packagin
23、g data retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 6
24、.1 Intended use6.2 . The lubricant is intended for use on slow-speed sliding surfaces operating at temperatures up to 400C and for use as an antiseize compound on threaded parts which operate at temperatures up to 760C. This material has not been investigated for use in antifriction bearings. Acquis
25、ition requirementsa. Title, number, and date of this specification. . Acquisition documents should specify the following: b. Quantity required. c. Packaging requirements (see 5.1). c. Additional marking requirements mark individual containers as follows: “STIR WELL IMMEDIATELY BEFORE USING” due to t
26、he tendency of this lubricant to settle into two layers. 6.3 International standardization agreements. Certain provisions of this specification are the subject of international standardization agreements STANAG 1135 and AIR STD 15/9. When amendment, revision, or cancellation of this specification is
27、 proposed, the preparing activity must coordinate the action with the U.S. National Point of Contact for the international standardization agreement, as identified in the ASSIST database at https:/assist.daps.dla.mil. 6.4 Material Safety Data Sheets6.5 . Contracting officers will identify those acti
28、vities that require copies of completed Material Safety Data Sheets (MSDS) prepared in accordance with FED-STD-313. The pertinent Government mailing addresses for submission of data are listed in FED-STD-313. Shelf-life. This specification covers items where the assignment of a Federal shelf-life co
29、de is a consideration. Specific shelf-life requirements should be specified in the contract or purchase order, and should include, as a minimum, shelf-life code, shelf-life package markings in accordance with MIL-STD-129 or FED-STD-123, preparation of a material quality storage standard for type II
30、(extendible) shelf-life items, and a minimum of 85 percent shelf-life remaining at the time of receipt by the Government. These and other requirements, if necessary, are in DoD 4140.27-M, Shelf-Life Management Manual. The shelf-life codes are the in Federal Logistics Information System Total Item Re
31、cord. Additive information Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25681E 5 for shelf-life management may be obtained from DoD 4140.27-M, or the designated shelf-life Points of Contact (POC). The POC should be contacted in the followi
32、ng order: (1) the Inventory Control Points that manage the item and (2) the DoD Service and Agency administrators for the DoD Shelf-Life Program. Appropriate POCs for the DoD Shelf-Life Program can be contacted through the DoD Shelf-Life Management website: https:/www.shelflife.hq.dla.mil/. 6.6 Subj
33、ect term (keyword) listingAntiseize compound . Gas turbine engine Oil 6.7 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activity: Army CR4 Air Force 68 Navy
34、AS (Project 9150-2011-007) Air Force 68 DLA GS Review activities: Army - MI Army -AR DLA PS Other - DS Note: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
