1、DOD-L-81846B 3 September 1986 SUPERSEDING 27 December 1984 MIL-L-81846A LUBRICATING OIL, INSTRUMENT, BALL BEARING, HIGH FLASH POINT This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for
2、one grade of a specialty lubricating oil for use in precision instrument and miniature ball bearings. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this specification to the exte
3、nt specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL P-D-680 - Dry Cleaning Solvent. QQ-B
4、-62 6. - Brass, Leaded and Nonleaded: Rod, Shapes, QQ-S-7 6 6 - Steel Plates, Sheets, and Strip - Corrosion Forgings, and Flat Products with Finished Edges (Bar and Strip). Resisting. MILITARY MIL-S-13282 - Silver and Silver Alloy. MIL-C-81302 - Cleaning Compound, Solvent, Trichlorotrifluoroethane.
5、Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: System Engineering and Standardization Department (Code 931, Naval Air Engineering Center, Lakehurst, NJ 08733-5100, by using the self-addressed S
6、tandardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by 1 etter. THIS DOCUMENT CONTAINS 110 PAGES. AMSC N3945 FSC 9150 DISTRIBUTION STATEMENT A, Approved for pukl-ic release; distribution is unlimited. - z I - Licensed by Information Handling ServicesD
7、OD-L-818468 STAN DARDS FEDERAL FED-STD-3 1 3 - Material Safety Data Sheets, Preparation and Sub- FED-STD-791 - Lubricants, Liquid Fuels and Related Products, mission of. Methods of Testing. MI LI TARY MIL-STD-105 - Sampl ing Procedures and Tables for Inspection by MIL-STD-290 - Packaging of Petroleu
8、m and Related Products. Attributes. 2.1.2 Other Government publications. The following other Government publication forms a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solici tation. PUBLICATIONS CODE O
9、F FEDERAL REGULATIONS 49 CFR - Transportation - Hazardous Material s. (Applications for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) (Copies of specifications, standards, handbooks, drawings, and publications required by manufactur
10、ers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. The issues of the documents which are i
11、ndicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM A 109 - ASTM A 331 - ASTM A 366 - ASTM D 92 - ASTM D 97 - ASTM D 445 - ASTM D 972 - ASTM D 974 - ASTM D 1500 - ASTM D 1748 - Steel
12、, Carbon, Cold-Rolled Strip Steel Bars, Alloy, Cold-Finished Steel, Carbon, Cold-Rolled Sheet, Commercial Flash and Fire Points by Cleveland Open Cup. Pour Point of Petroleum Oils. Kinetic Viscosity of Transparent and Opaque Liquids (and the Calculation of Dynamic Viscosity). Evaporation Loss of Lub
13、ricating Greases and Oi 1 s. Neutralization Number by Color - Indicator Titration. ASTM Color of Petroleum Products (ASTM Color Scale). Rust Protection by Metal Preservatives in the Humidity Cab i ne t. (Application for copies should be addressed to the American Society for Testing and Materials, 19
14、16 Race Street, Philadelphia, PA 19103.) Licensed by Information Handling ServicesAMERICAN NA ANSI 2129. DOD-L-81846B IONAL STANDARDS INSTITUTE (ANSI) - American National Standard for the Precautionary Labeling of Hazardous Industrial Chemicals. (Application for copies should be addressed to the Ame
15、rican National Standards Institute, 1430 Broadway, New York, NY 10018.) (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribute the documents. These documents also may be available in or through libraries of other informational
16、services.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifiations, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specificatio
17、n, however, shall obtained. 3. REQUIREMENTS .supersede applicable laws and regulations unless a specific exemption has been * 3.1 First Article. When specified, a article inspection (see 4.3 and 6.3). 3.2 Composition. The lubricating oil percent by weight specified in Table I that the iubricating oi
18、l contains no s 3.3 Physical properties. The phys be in accordance with physical propert specified in 4.6.2 through 4.6.7. sample shall be subjected to first shall conform to the composition in xtreme care should be exercised to assure licone defoamer compounds. cal properties of the lubricating oil
19、 shall es appearing in Table II, when tested as 3.4 Material safety data sheet. Material safety data sheets shall be prepared and submitted in accordance with FED-STD-313. Material safety data sheets shall also be forwarded as specified in 4.3.2. The oil shall have no adverse effect on the health of
20、 personnel when used for its intended purpose. Questions pertinent to this effect shall be referred by the contracting activity to the appropriate departmental medical service who will act as an advisor to the contracting agency (see 4.3.2 and 6.2.le). 3.5 Workmanship. The lubricating oil shall be a
21、 homogeneous, clear and bright liquid free from any visible impurities. Immediately before the oil is packaged, it shall be passed through a 0.5 micrometer membrane filter of an ester-compatible filter medium (see 6.5). Filtration through glass fiber filters is not acceptable. 4. QUALITY ASSURANCE P
22、ROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all in- spection requirements as specified herein. Except as otherwise specified in the cmtract or purchase order, the contractor may use hi
23、s own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requireme
24、nts. The Government reserves the right to perform any of ,- 3 Licensed by Information Handling Services_ I - DOD-L-818468 91 9999406 OLL0548 O DOD-L-818466 4 1.1 Responsibility for compliance. The oil must meet all requirements of sect ons 3 and 5. The inspection set forth in this specification shal
25、l become a part of the contractors overall inspection system or quality program. of a y inspection requirements in the specifications shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with all requiremen
26、ts of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. The absence * 4.2 Classification of inspections. The inspection requirements specified her
27、ein are classified as follows: a. First article inspection (see 4.3). b. Quality conformance inspection (see 4.4). * 4.3 First article inspection. The first article inspection shall consist of performance of any test or examination deemed necessary to determine that the first article sample (see 4.3
28、.1) complies with all the requirements for the physical properties specified in Table II, when tested in accordance with the inspection methods specified in Table IV and 4.6.3 through 4.6.7(see 6.2.2). * 4.3.1 First articles samples. The first article samples shall consist of two, 1 liter (one-auart
29、) containers of the lubricatinq oil. The samDles shall be 2, plainly owi ng forwarded to the Aircraft and Crew Sys tems Technology Di rectorate, Code Naval Air Development Center, Warminister, PA 18974. The samples shal identified by securely attached durable tags or labels, marked with the informat
30、ion: Sample for first article inspection. LUBRICATING OIL, INSTRUMENT, BALL BEARING, HIGH FLASH POINT Name of manufacturer. Location and identity of the plant. Product code number. Source, type and composition of ingredients used. Batch number. Date of manufacture. Submitted bv (name) (date) for fir
31、st article insDection in 606 be fol accordance #i th DOD-L-818466 under authorization of (reference authorizing letter) (see 6.3). 4.4 Quality conformance inspection. The quality conformance inspection of the lubricating oil shall consist of tests of samples from 4.4.2.2 in accordance with Table III
32、 nd an examination of samples from 4.4.2.1 for conformance with 4.6.1. Samples shall be labeled completely with information identifying the purpose of the sample, name of product, specification number, date of manufacture, date of sampling, and contract number. Individual samples shall not be mixed,
33、 shall be placed in separate air-tight and water-tight containers, and shall be nearly filled, covered and sealed to prevent atmospheric effects. -. Licensed by Information Handling ServicesDOD-L-81846B 91 W 7997706 0110547 2 DOD-L-818468 *i- * 4.4.1 Lot formation. A lot shall consist of all the lub
34、ricating oil produced by one manufacturer, at one plant, from the same materials and under essentially the same conditions, provided the operation is continuous and does not exceed a 24 hour period. In the event the process is a batch operation, each batch shall constitute a lot (see 6.4). 4.4.2 Sam
35、pling. 4.4.2.1 For examination of filled containers. A random sample of filled con- tainers, fully prepared for delivery, shall be selected from each lot of oil. requ 4 4 PhY s lubricating oil in accordance with MIL-STD-105, inspection leve acceptable qual i ty level (AQL) of 2.5 percent defecti-ve.
36、 4.4.2.2 For tests. The sample for tests shall be one conta cating oil taken at random from filled containers from each lot The lot shall be unacceptable if the samr,le fails to com II with an ner of the lubri- of 1 ubr i cat i nq , y with any of-the rements for the tests specified in 4.6.2 through
37、4.6.7. 5 -Inspection conditions. 5.1 Test conditions. Test conditions shall be in accordance with 4.6 and the cal values specified in Table II apply to the average of determinations made on- the sample. 4.6 Methods of examinations and tests. 4.6.1 Examinations. Each of the filled containers, selecte
38、d in accordance with 4.4.2.1, shall be examined for defects of the container and closure, for evidence of leakage and for unsatisfactory markings to determine conformance with 5.1 through 5.3.2. Each sample container shall also be weighed to determine the amount of contents. If the number of defecti
39、ve containers exceeds the acceptance number of the sampling plan specified in 4.4.2.1, the lot shall be rejected. 4.6.2 Tests. Tests shall be performed in accordance with Table IV and 4.6.3 through 4.6.6 to determine conformance with the requirements specified in 3.3. 4.6.3 Protection. 4.6.3.1 Prepa
40、ration of panels. Five panels shall be cut from steel conform to ASTM A 109 or ASTM A 366. The size of the panels and the location of the ho shall be as specified in Figure A-7 of ASTM D 1748. All burrs, sharr, edaes and ng es corners, including edges of-holes, shall be removed. Immediately prior io
41、 use, the panels shall be polished to a high luster with 3/0 emery paper. be cleaned by washing in solvent conforming to P-D-680, type I, drained thoroughly, followed by rinsing in boiling 95 percent methanol. shall be cooled in a desiccator. preparation that the surfaces are not contaminated with f
42、ingerprints. shall be handled with tongs during the cleaning operation and with hooks during and after dipping. The panels sha 1 After cleaning, the panels Care must be taken during the cleaning and The panels 4.6.3.2 Procedure. The five panels shall be dipped in a sample of lubricating oil, maintai
43、ned at 25 + 1“C, removed, and allowed to drain from glass, monel, or stainless steel supports at the same temperature. At the end of this period, the panels shall be suspended in a humidity cabinet conforming to ASTM D 1748 for a period of 200 hours and in such a manner that the drippings from the s
44、upports do not fall on the panels. The humidity cabinet shall be maintained at 100 percent humidity and a temperature of 49 5 1C for the 200 hour exposure period. The Licensed by Information Handling Services., _- - -I-_ DOD-L-BLBgbB 71 777770b OLL0550 7 DOD-L-818468 panels shall be removed from the
45、 cabinet, cleaned with naphtha and examined (see Table II), 4.6.4 Corrosivi ty test. 4.6.4.1 Preparation of panels. 4.6.4.1.1 Steel discs. Three discs, 12.7 mm thick, shall be cut from 25.4 mm diameter bar stock conforming to ASTM A 331, composition E52100. The discs shall be heat treated to a Rockw
46、ell C-62 hardness. (Rollers that may be obtained from roller bearings, and that have similar chemical, physical, and dimensional proper- ties to the above bar stock after heat treatment, can be substituted for the formation of the discs. In this case, no further treatment is necessary.) The discs sh
47、all now be slowly surface ground on one side to a finish of less than 0.51 micrometers rms. If coolant is used in grinding, the discs shall be slushed in absolute methanol. The discs shall then be abraded on the surface-ground side by successive applications of emery polishing paper graded 1/0, 2/0,
48、 310 and finally 4/0. There shall be no scratches remaining from papers more coarse than 4/0, Paper incorporating iron oxide as the polishing medium, and wet-dry type papers, shall not be used. The discs shall be wiped clean with sterile absorbent gauze and examined under 1OX magnification for any s
49、igns of corrosion or other defects. fective specimens shall not be used. The discs shall be stored in a desiccator containing silica gel until ready for use. De- 4.6.4.1.2 Brass clips. Three clips shall be fabricated from commercial 0.5715 mm brass sheet conforming to QQ-8-626, spring temper. clips shall be as illustrated in Figure 1. The clips shall then be immersed for 20 seconds in the following etching solution: The size and shape of the 450 ml water 225 ml concentrated nitric acid 300 ml concentrated sulfuric acid 8 ml concentrated hydrochloric acid After etching, the clips sh
