1、MIL-S-12165F 1 AURUIY SUPERSEDING MIL-S-1216 5E 1 November 1974 MILITARY SPECIFICATION STRAINERS, SUCTION, FIREHOSE; AND STRAINERS, SUCTION, HOSE This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers firehos
2、e and water hose strainers to be attached to the intake end of a suction hose. 1.2 Classif ication. Strainers covered by this. specification shall be designated in the fol1owin.g form (see 6.2 (b) and 6.3): ._. . . Military Specification Code Ntipher Type and Size Code Number (see 1.2.1 FSC 4730 421
3、0 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Command, ATTN: DRDME-DS, Fort Belvoir, VA 22060 by using the self- addressed Standardization Document Improvement Proposal (DD Form 1426) appear
4、ing at the end of this document or by letter. US Army Mobility Equipment Research and Development . - I Licensed by Information Handling ServicesNIL-S-32165F 47 m 7797706 O273772 7 m MIL-S-12165F 1.2.1 Typ e and size. The type and size of the strainer (see 3.5 and 3.6) are identified by a two-digit
5、number (see Table I) TABLE I. Code number to type and size. Strainer, size (inches, nominal ) 1 1-114 1-11 2 2 2-112 3 4 4-11 2 5 6 Type 1 (firehose, strainer) - - o1 02 03 04 05 06 07 08 Spe 11 (water hose strainer) c 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following docuents of the is
6、sue in effect on date of invitation for bids or reqaest for proposal, form a part of this specification to the extent specified herein. - SPECIFICATIONS FEDERAL QQ-A-601 QQ-C- 390 QQ-S- 76 6 GGG-W-665 MILITARY MIL-P- 7 75 - Aluminum Alloy Sand Castings. - Copper Alloy Castings (Including - Steel Pla
7、tes, Sheets, and Strip- - Wrench, Spanner. Cast Bar) . Corrosion Res is ting . - Packaging of Hose, Hose Assemblies; Rubber, Plastic, Fabric, or Metal (Including Tubing); and Fittings, Nozzles, and Strainers. 2 Licensed by Information Handling ServicesLicensed by Information Handling ServicesMIL-S-3
8、2LbSF 47 7477906 0273774 2 MIL-S-12165F AMERICAN SOGIETY FOR TESTING AND MATERIALS (ASTM) E 8 - Tension Testing of Metallic Materials. E 10 - Brinell Hardness of Metallic Materials. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Phila
9、delphia, PA 19103.) (Technical society and technical association specifications and stan- dards are generally available for reference from libraries. also distributed among technical groups and using Federal agencies.) They are 3. REQUIREMENTS 3.1 Description. The suction strainers shall be cylindri
10、cal. When components are fabricated from sheet metal, seams shall be welded or brazed. Seamless tubing may be used. The thickness of sheet metal or wall thickness of tubing shall be not less than 0.032 inch. When the body of the strainer is of cast construction, the thickness of the metal shall be n
11、ot less than 0.063 inch or 2.5 percent of the outside diameter of the strainer, whichever is the greater. When the strainer is fabri- cated from the cast and sheet or tube components, the components shall be joined by riveting, brazing, or welding. 3.2 Materials. Cast aluminum, cast brass, and corro
12、sion resisting steel shall conform to the requirements shown in Table II; or cast brass shall confsrm to the chemical composition of Table III and to the mechanical properties of Table IV (see 6.4). TABLE II. Materials. Material Aluminum castings Brass castings Corrosion resisting steel I Specificat
13、ion 1 QQ-A-601, Alloy 356.0, Temper T6, or QQ-C-390, Copper Alloy No. 857, 854, QQ-S-766, class optional. Alloy D712.0, Temper T5. 852, or 836, Type I. 4 Licensed by Information Handling ServicesMIL-S-32365F 47 7777706 0273775 4 MIL-S - 121 6 5 F TABLE III. Chemical composition for cast brass. El em
14、en t Copper Tin Lead Zinc Phosphorus Antimony Nickel Other elements, other than copper, zinc, lead, and nickel &/ Minimum percent 82.00 2.50 2.50 9.00 - - O. 25 Maximum percent 84.00 3.50 3.50 11.00 0.03 O. 25 0.50 0.50 - l/Includes iron, maximum percent 0.35. TABLE IV. Mechanical requirements for c
15、ast brass. Prop er ties Tensile strength, pounds per square inch (psi) Elongation in 2 inches (percent) Reduction in area (percent) Brinell hardness (500 kilograms (kg) for 30 seconds) Minimum Maximum I 30 y O00 - 20 17 32 50 65 - I I 3.3 Finish. Strainer surfaces shall not be painted or dyed. Non-
16、mating surfaces, when fabricated from cast material, shall have a sandcast finish. When fabricated from sheet or tube material, the finish shall have a roughness value of MS 500 in accordance with ANSI B 46.1. of RMS 125 in accordance with ANSI B 46.1. Mating and gasket surfaces shall have a roughne
17、ss value 5 Licensed by Information Handling ServicesMIL-S-12165F 3.4 Identification marking. The strainers shall be identified in accordance with MIL-STD-130. 3.5 Typ e I, firehose. The strainers shall be all aluminum, all brass, or all corrosion resisting steel. Firehose strainers shall have holes
18、not less than 0.062 inch and not more than 0.437 inch in diameter to provide an effective open area of not less than 1.4 times the inside cross sectional area of the hose with which the strainer will be used. The strainer shall be equipped with rocker-type lugs for use with spanner wrenches conformi
19、ng to GGG-W-665. Each strainer shall be equipped with an eye or lug for attaching a 1.125 inch nominal cir- cumference rope. The strainers shall conform to the dimensions shown in Table V. Strainer throats shall be rounded to reduce friction and turbulence. TABLE V. Dimensions, firehose strainers. N
20、ominal size inches 1-112 2 2-112 3 4 4-112 5 6 3.5.1 forming be fabri Length (minimum) inches 6.00 7.00 8.00 9.00 10 . O0 10 .o0 12.00 12.00 Inside diameter (minimum) inches 1.50 2.00 2.50 3.00 4.00 4.50 5.00 6.00 Washers. Each strainer shall be furnished with a washer con- to the applicable dimensi
21、ons shown in Table VJ. Washers shall .cated from synthetic rubber conforming to MIL-R-14328. 6 Licensed by Information Handling ServicesMIL-S-12165F Nominal size inches 1-11 2 2 2-i/ 2 3 4 4-1/ 2 5 6 TABLE VI. Washer dimensions. Ins ide diameter +0.031, - O inches 1.562 2.031 2.562 3.062 4.062 4.562
22、 5.062 6.062 Outs ide diame ter +O, -0.031 inches 2.062 2.562 3.187 3.750 5.125 5.875 6.375 7.125 Nominal thickness inches O. 125 O. 125 0.187 0.250 O. 250 O. 250 O. 250 O. 250 7 Licensed by Information Handling ServicesflIL-S-32Lb5F 47 9 979790b 0273778 T MIL-S-12165F TABLE VII. Dimensions, water h
23、ose strainers. I I I Nominal Length of Overall length Outside diameter size body of strainer of tubing (body) (minimum) (maximum) (minimum) inches inches inches inches 1 1-1/4 2 1-i/ 2 4.00 4.50 4.50 5.00 5.50 6.00 6.00 7.00 1.375 1.750 2.000 2 . 500 3.6.1 Threads. Threads shall be internal, (NPSH)
24、American National Hose Coupling threads conforming to FED-STD-H28/10. 3.7 Workmanship. All cast and fabricated components of the strainers including welded parts shall be clean and free from sand, dirt, fins, sprues, scale, flux, and other harmful extraneous material. External surfaces shall be free
25、 from burrs, sharp edges, and corners. The forming of material shall be done by methods that will not cause damage to the material. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all
26、inspection requirements as specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to
27、perform any of the inspections set forth in the specification where such inspections are deemed necessary so assure supplies and services conform to prescribed requirements. 4.1.1 Component and material inspection. The contractor is respon- sible for insuring that components and materials used are m
28、anufactured, examined, and tested in accordance with referenced specifications and standards, as applicable. 8 Licensed by Information Handling Services9 Licensed by Information Handling ServicesMIL-S-12165F 47 7777706 0271780 8 -.- MIL-S-12165F 108. Washers (Type I, firehose) not as specified or mi
29、ssing. 109. Threads not as specified or damaged. 110. Top connector not provided with wrenching feature (Type II, water hose). 111. Workmanship not as specified. Minor 201. Defective seams. 202. Finish not as specified. 203. Identification marking missing, incomplete, 204. Sharp, ragged, or rough ed
30、ges. or illegible. 4.4.2 Test. Brass castings of Table III and IV material hall be tested in accordance with FED. TEST METHOD STD. 151, Method 111.2 or 112.2, ASTM E 8 and ASTM E 10. Failure to conform to the chemical and mechanical requirements shown in Tables III and IV shall consti- tute failure
31、of these tests. 4.5 Inspection of packaging. Military packaging shall be examined for conformance to MIL-P-775. Commercial packaging shall be examined for conformance to MIL-STD-1188. 5. PACKAGING 5.1 Preservation, packing, and marking. Preservation, packing, and marking shall be LevelA, Level B, or
32、 Commercial as specified (see 6.2). 5.1.1 Level A and Level B. Level A preservation and marking, and Level A and Level B packing and marking shall be in accordance with MIL-P-7 75. 5.1.2 Commercial. Commercial preservation, packing, and marking shall be in accordance with MIL-STD-1188. 6. NOTES 6.1
33、Intended use. The strainers are intended to be attached to the intake end of a hose line to prevent foreign particles from passing through the line when water is pumped from lakes, rivers, streams, or similar water sources. 10 Licensed by Information Handling Services11 Licensed by Information Handling Services
