DLA MIL-DTL-32371-2012 FITTINGS ADAPTER HYDRAULIC AND PNEUMATIC SPHERICAL TO ORFS CONNECTORS 1500 TO 3000 PSI GENERAL SPECIFICATION FOR.pdf

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1、MIL-DTL-32371 24 April 2012 DETAIL SPECIFICATION FITTINGS, ADAPTER, HYDRAULIC AND PNEUMATIC, SPHERICAL TO ORFS CONNECTORS, 1500 TO 3000 PSI, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specifi

2、cation covers fittings, adapter, hydraulic, pneumatic, and conveyance, spherical to O-ring face seal (ORFS) connectors, 1500 to 3000 psi, -65F to 250F temperature range, for use in hydraulic or pneumatic systems. The spherical 37 flared tube fitting end is physically interchangeable with 37 flared f

3、ittings. Spherical connector ends are in accordance with SAE-AS5309 and SAE-AS5310 connector ends, the ORFS end is in accordance with SAE-J1453-3 connector ends. 1.2 Part or Identifying Number (PIN). The PIN consists of the letter M, the basic specification number, specification sheet number, a dash

4、, a number for fitting size, and finish code. M 32371 /1 -10 P PIN example: M32371/1-10P describes a straight male adapter (spherical to ORFS) for 5/8 inch tube OD, steel with zinc phosphate finish. AMSC N/A FSC 4730Comments, suggestions, or questions on this document should be addressed to: DLA Lan

5、d and Maritime, Attn: VAI, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to FluidFlowdla.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.daps.dla.mil. INCH-POUND Size (see table V) Speci

6、fication sheet number M prefix Material and finish code (see table II) Specification number Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32371 2 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sec

7、tions 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 completeness of this list, document users are cautioned that they mus

8、t meet all specified requirements documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent

9、specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL STANDARDS QQ-N-281 - Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections DEPARTMENT OF DEFENSE SPECIFICATIONS

10、 MIL-A-8625 - Anodic Coatings for Aluminum and Aluminum Alloys MIL-C-15726 - Copper-Nickel Alloy, Sheet, Plate, Strip, Bar, Rod, and Wire MIL-DTL-16232 - Phosphate Coating, Heavy, Manganese or Zinc Base MIL-DTL-81706 - Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys MIL-PRF-56

11、06 - Hydraulic Fluid, Petroleum Base, Aircraft, Missile and Ordnance MIL-PRF-7808 - Lubricating Oil, Aircraft Turbine Engine, Synthetic Base Hydraulic Fluid, Non-Petroleum Base, Aircraft MIL-PRF-83282 - Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base, Metric, NATO Code Number H-537 MIL-P

12、RF-87257 - Hydraulic Fluid, Fire Resistant; Low Temperature, Synthetic Hydrocarbon Base, Aircraft and Missile (See supplement 1 for list of specification sheets.) DEPARTMENT OF DEFENSE STANDARDS MIL-STD-130 - Identification Marking of U.S. Military Property MIL-STD-889 - Dissimilar Metals (Copies of

13、 these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from 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 document to the extent specifi

14、ed herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASTM INTERNATIONAL ASTM A276 - Standard Specification for Stainless Steel Bars and Shapes ASTM A564/A564M - Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stai

15、nless Steel Bars and Shapes Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32371 3 ASTM B117 - Standard Practice for Operating Salt Spray (Fog) Apparatus ASTM B164 - Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire ASTM B166

16、 - Standard Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045, and N06696) and Nickel- Chromium-Cobalt-Molybdenum Alloy (UNS N06617) Rod, Bar, and Wire ASTM B210 - Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes ASTM

17、-B221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes ASTM B241/B241M - Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube ASTM B487 - Standard Test Method for Measurement of Metal and Oxide Coating

18、Thickness by Microscopical Examination of Cross Section ASTM B499 - Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals ASTM B564 - Standard Specification for Nickel Alloy Forgings ASTM B567 - Standard Test Method for Meas

19、urement of Coating Thickness by the Beta Backscatter Method ASTM B568 - Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel ASTM B695 - Standard Specification for Coatings of Zinc M

20、echanically Deposited on Iron and Steel ASTM B748 - Standard Test Method for Measurement of Thickness of Metallic Coatings by Measurement of Cross Section with a Scanning Electron Microscope ASTM E18 - Tests for Rockwell Superficial Hardness of Metallic Materials ASTM E60 - Standard Practice for Ana

21、lysis of Metals, Ores, and Related Materials by Molecular Absorption Spectrometry ASTM E384 - Test Method for Microhardness of Materials ASTM F1136/F1136M - Standard Specification for Zinc/Aluminum Corrosion Protective Coatings for Fasteners (Copies of these documents are available online at http:/w

22、ww.astm.org or from ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 17025 - General requirements for the competence of testing and calibration laboratories (Copies of these documents are available o

23、nline at http:/www.iso.ch or from the International Organization for Standardization American National Standards Institute, 11 West 42ndStreet, 13thFloor, New York, NY 10036.) NCSL INTERNATIONAL NCSL Z540.3 - Requirements for the Calibration of Measuring and Test Equipment (Copies of these documents

24、 are available online at http:/www.ncsli.org or from NCSL International 2995 Wilderness Place, Suite 107 Boulder, Colorado 80301-5404) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32371 4 SAE INTERNATIONAL SAE-AMS-QQ-A-225/9 - Aluminum All

25、oy 7075, Bar, Rod, Wire, and Special Shapes; Rolled, Drawn, or Cold Finished SAE-AMS-QQ-P-416 - Plating, Cadmium (Electrodeposited) SAE-AMS-C-81562 - Coatings, Cadmium, Tin-Cadmium and Zinc (Mechanically Deposited) SAE-AMS-R-25988 - Rubber, Fluorosilicone Elastomer, Oil-and-Fuel Resistant, Sheets, S

26、trips, Molded Parts, and Extruded Shapes. SAE-AMS2417 - Plating, Zinc-Nickel Alloy SAE-AMS2451/5 - Plating, Brush, Chromium Hard Deposit, Trivalent SAE-AMS2451/9 - Plating, Brush, Zinc-Nickel Low Hydrogen Embrittlement SAE-AMS2486 - Conversion Coating of Titanium Alloys Fluoride-Phosphate Type SAE-A

27、MS2488 - Anodic Treatment - Titanium and Titanium Alloys Solution pH 13 or Higher SAE-AMS2700 - Passivation of Corrosion Resistant Steels SAE-AMS4124 - Aluminum Alloy, Rolled or Cold Finished Bars, Rods, and Wire 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7075-T7351) Solution Heat Treated, Stress Relieved by S

28、tretching, and Overaged SAE-AS4395 - Fitting End, Flared, Tube Connection, Design Standard SAE-AMS4928 - Titanium Alloy Bars, Wire, Forgings, Rings, and Drawn Shapes 6Al - 4V Annealed SAE-AMS5639 - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 19Cr - 10Ni Solution Heat Treated

29、SAE-AMS5643 - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb - 4.0Cu Solution Heat Treated, Precipitation Hardenable SAE-AMS5645 - Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Tubing, and Rings 18Cr - 10Ni - 0.40Ti (SAE 30321) Solution Heat Tr

30、eated SAE-AMS5647 - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 19Cr - 9.5Ni Solution Heat Treated SAE-AMS5743 - Steel, Corrosion and Heat-Resistant, Bars and Forgings 15.5Cr - 4.5Ni - 2.9Mo - 0.10N Solution Heat Treated, Sub-Zero Cooled, Equalized, and Over-Tempered SAE-AMS6

31、370 - Steel, Bars, Forgings, and Rings 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130) SAE-AMS6382 - Steel, Bars, Forgings, and Rings 0.95Cr - 0.20Mo (0.38 - 0.43C) (SAE 4140) Annealed SAE-AS2078 - Test Methods, Hose Assemblies, Polytetrafluoroethylene (PTFE) SAE-AS4375 - Fitting End, Flareless, Design St

32、andard SAE-AS5175 - Nut, Coupling, Flared SAE-AS5206 - Nut, Flared, Long SAE-AS5309 - Fitting End, Spherical, 37 Flared Tube Connection Design Standard SAE-AS5310 - Fitting End, Bulkhead, Spherical, 37 Flared Tube Connection Design Standard SAE-AS8879 - Screw Threads - UNJ Profile, Inch Controlled R

33、adius Root with Increased Minor Diameter SAE-J403 - Chemical Compositions of SAE Carbon Steels SAE-J514 - Hydraulic Tube Fittings SAE-J1453-1 - Specification for O-ring Face Seal Connectors: Part 1Tube Connection Details and Common Requirements for Performance and Tests Provided by IHSNot for Resale

34、No reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32371 5 SAE-J1453-3 - Specification for O-ring Face Seal Connectors: Part 3-Requirements, Dimensions, and Tests for Steel Unions, Bulkheads, Swivels, Braze Sleeves, Connectors, Caps, and Connectors with SAE J1926-2 Inch Stu

35、d Ends SAE-J2658 - Metallic Tube Conductor Assemblies for Fluid Power and General Use Test Methods for Hydraulic Fluid Power Metallic Tube Assemblies (Copies of these documents are available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and

36、Canada) or 724-776-4970 of these documents (outside USA), www.sae.org.) 2.4 Order of precedence. 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, (except for related specification sheets), the text of this

37、 document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable speci

38、fication sheet. In the event of any conflict between the requirements of this specification and the specification sheet, the latter shall govern. 3.2 First article. When specified (see 6.2), samples shall be subjected to first article inspection in accordance with 4.5 3.3 Materials. Materials shall

39、be as specified herein and shall conform to all applicable specification sheets. When a definite material is not specified, a material shall be used which will enable the fitting to meet the requirements of this specification. Acceptance or approval of any constituent material shall not be construed

40、 as a guarantee of acceptance of the finished product. 3.3.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and maint

41、enance requirements, and promotes economically advantageous life cycle cost. 3.3.1.1 Used, rebuilt or remanufactured components. Used, rebuilt or remanufactured components such as nuts and sleeves shall not be used in the fitting assembly design. 3.3.2 Dissimilar metals. When dissimilar metals are u

42、sed in intimate contact with each other, protection against electrolysis and corrosion shall be provided. Dissimilar metals such as brass, copper or steel (except corrosion-resisting steel) shall not be used in intimate contact with aluminum or aluminum alloy. Corrosion-resisting steel shall be pass

43、ivated in accordance with SAE-AMS2700. Protective measures for dissimilar metals shall be in accordance with MIL-STD-889. 3.3.3 Fitting materials. Fitting materials shall be as specified in table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL

44、-DTL-32371 6 TABLE I. Fitting materials. Material Form Specification Alloy Aluminum alloy Bars SAE-AMS-QQ-A-225/9 7075- T73, T7351 SAE-AMS4124 7075-T7351 Forgings ASTM-B221 7075-T73, T6, T62, or T651 Seamless tubing ASTM B210 or ASTM B241/B241M 5052 6061-T6 Carbon steel Bar SAE-J403 1045, 1110, 1120

45、, 1140, 1213, 1215, or 12L14 Forgings Chrome-molybdenum steel Bars SAE-AMS6370 4130 Forgings SAE-AMS6382 Corrosion resistant steel Bars and forgings ASTM A276 304, 316, or 321 ASTM A564/A564M XM-12 (15-5 PH) UNS S15500 or 603 (17-4 PH) UNS S17400 SAE-AMS5639 SAE 30304; UNS S30400 SAE-AMS5645 SAE 303

46、21; UNS S32100 SAE-AMS5647 304L; UNS S30403 SAE-AMS5643 17-4PH SAE-AMS5743 AM-355 Copper-nickel alloy Bar MIL-C-15726 C71500 Nickel-copper alloy Bar ASTM B164 QQ-N-281 UNS N04400 High-chromium nickel alloy Bar ASTM B166 UNS N06690 Forgings ASTM B564 Titanium 1/ Bars SAE-AMS4928 6AI-4V annealed Forgi

47、ngs 1/ Titanium shall not be used in oxygen systems. 3.3.4 Finish. 3.3.4.1 Finish designation codes for materials and chemical finishes. Finish designation codes for materials and chemical finishes shall be in accordance with table II. SAE nuts and sleeves shall be plated in accordance with MIL-DTL-

48、32371. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32371 7 TABLE II. Material and chemical finish identification codes and chemical finish reference. PIN code material/plating finish Material Plating finish requirement paragraph Blank Ste

49、el 3.3.4.1a 1/ CN 3.3.4.1a, with 3.3.4.1c 1/ E 3.3.4.1c F Steel 3.3.4.1b(4), 3.3.4.1b(5) or, 3.3.4.1b(2) with 3.3.4.1c H Steel 3.3.4.1b(3) J Steel 3.3.4.1b(5) M Nickel-copper alloy UNS N04400 No additional finish. N High-chromium nickel alloy UNS N06690 No additional finish. P Steel 3.3.4.1b(4) R Steel 3.3.4.1b(2)2/ S Corrosion resistant steel 3.3.4.2 passivated T Titanium 3/ 3.3.4.4 Z Steel 3.3.4.1b(1) ZN