1、 AMSC N/A FSC 4730 Comments, suggestions, or questions on this document should be addressed to: DLA Land 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 informat
2、ion using the ASSIST Online database at https:/assist.daps.dla.mil. MIL-DTL-32372 5 December 2011 DETAIL SPECIFICATION FITTING, ADAPTER, HYDRAULIC AND PNEUMATIC, NPTF TO ORFS CONNECTORS, 1500 TO 3000 PSI AND -65F TO 250F This specification is approved for use by all Departments and Agencies of the D
3、epartment of Defense. 1. SCOPE 1.1 Scope. This specification covers fittings, adapter, hydraulic, and pneumatic national pipe thread fuel, (NPTF) dryseal pipe threads to o-ring face seal (ORFS) connectors, 1500 to 3000 psi, -65F to 250F temperature range, for use in hydraulic or pneumatic systems. N
4、ational Pipe Thread connector ends are in accordance with ASME B1.20.3 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, the specification sheet number, a number for f
5、itting size, and a letter for the material finish designator. M 32372 /1 -10 P Material and finish code (see table I and table II) Size Specification sheet number Specification number M prefix PIN example: M32372/1-10P describes a straight male fitting (NTPF to ORFS) for 5/8 inch tube OD, steel with
6、 zinc phosphate finish. 2. APPLICABLE DOCUMENTS 2.1 General. 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 specification or recommended for additional information or as examples.
7、 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 listed. INCH-POUND Provided by IHSNot for ResaleNo reproducti
8、on or networking permitted without license from IHS-,-,-MIL-DTL-32372 2 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 specified herein. Unless otherwise specified, the issues
9、 of these documents are those cited in the solicitation or contract. FEDERAL SPECIFICATIONS QQ-N-281 Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections FEDERAL STANDARDS FED-STD-162 Hose, Rubber, Visual Inspection Guide DEPARTMENT OF DEFENSE
10、 SPECIFICATIONS MIL-PRF-5606 Hydraulic Fluid, Petroleum Base; Aircraft, Missile, and Ordnance MIL-PRF-7808 Lubricating Oil, Aircraft Turbine Engine, Synthetic Base MIL-A-8625 Anodic Coatings for Aluminum and Aluminum Alloys MIL-C-15726 Copper - Nickel Alloy, Sheet, Plate, Strip, Bar, Rod, and Wire M
11、IL-DTL-16232 Phosphate Coating, Heavy, Manganese or Zinc Base MIL-DTL-81706 Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys MIL-PRF-83282 Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base, Metric, NATO Code Number H-537 MIL-PRF-87257 Hydraulic Fluid, Fire Resistant;
12、Low Temperature, Synthetic Hydrocarbon Base, Aircraft, Missile (See supplement 1 for list of specification sheets.) DEPARTMENT OF DEFENSE STANDARDS MIL-STD-889 Dissimilar Metals (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Doc
13、ument 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 specified herein. Unless otherwise specified, the issues of documents are those cited in the solicitation or contract.
14、SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE AMS 2417 Plating, Zinc-Nickel Alloy SAE AMS 2488 Anodic Treatment - Titanium and Titanium Alloys Solution pH 13 or Higher SAE AMS 2700 Passivation of Corrosion-Resistant Steels SAE AMS 4124 Aluminum Alloy, Rolled or Cold Finished Bars, Rods, and Wire 5.6Zn -
15、 2.5Mg - 1.6Cu - 0.23Cr (7075-T7351) Solution Heat Treated, Stress Relieved by Stretching, and Overaged SAE AMS 4928 Titanium Alloy Bars, Wire, Forgings, Rings, and Drawn Shapes 6Al - 4V Annealed SAE AMS 5639 Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 19Cr - 10Ni Solution He
16、at Treated SAE AMS 5643 Steel Bars, Forgings, Tubing and Rings, Corrosion Resistant SAE AMS 5645 Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 19Cr - 10Ni Solution Heat Treated SAE AMS 5647 Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, And Rings 19Cr - 9.5Ni Solutio
17、n Heat Treated SAE AMS 5743 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 AMS 6370 Steel, Bars, Forgings, and Rings 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130) SAE AMS 6382 Steel, Bars, For
18、gings, and Rings 0.95Cr - 0.20Mo (0.38 - 0.43C) (SAE 4140) Annealed Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32372 3 SAE AMS-P-5510 Packing, Preformed, Straight Thread Tube Fitting Boss, Type I Hydraulic (-65 Degrees to 160 Degrees F)
19、SAE AMS-A-22771 Aluminum Alloy Forgings, Heat Treated SAE AMS-QQ-A-225/9 Aluminum Alloy 7075, Bar, Rod, Wire, and Special Shapes; Rolled, Drawn, or Cold Finished SAE AMS-QQ-P-416 Plating, Cadmium (Electrodeposited) SAE AMS-WW-T-700/4 Tube, Aluminum Alloy, Drawn, Seamless, 5052 SAE AMS-WW-T-700/6 Tub
20、e, Aluminum Alloy, Drawn, Seamless, 6061 SAE J403 Chemical Compositions of SAE Carbon Steels - Supersedes Ford ESN-M1A46-A SAE J514 Hydraulic Tube Fittings SAE J515 Hydraulic “O” Ring SAE J1453/1 Specification for O-Ring Face Seal Connectors: Part 1Tube Connection Details and Common Requirements for
21、 Performance and Tests SAE J1453/3 Specification for O-Ring Face Seal Connectors: Part 3Requirements, Dimensions, and Tests for Steel Unions, Bulkheads, Swivels, Braze Sleeves, Connectors, Caps, and Connectors with SAE J1926-2 Inch Stud Ends (Copies of these documents are available from SAE Internat
22、ional, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 of these documents (outside USA), www.sae.org.) ASME INTERNATIONAL ASME B1.20.3 DrySeal Pipe Threads ASME B46.1 Surface Texture (Surface Roughness, Waviness, and Lay) (Copies of these
23、documents are available online at http:/www.asme.org or from the ASME International, Three Park Avenue, New York, NY 10016-5990) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM A276 Standard Specification for Stainless Steel Bars and Shapes ASTM A564/A564M Standard Specification for Hot-Rolle
24、d and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes ASTM B117 Standard Practice for Operating Salt Spray (Fog) Apparatus ASTM B164 Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire ASTM B166 Standard Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06
25、603, N06690, N06693, N06025, N06045, and N06696)* and Nickel- Chromium-Cobalt-Molybdenum Alloy (UNS N06617) Rod, Bar, and Wire ASTM B487 Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section ASTM B499 Standard Test Method for Measurem
26、ent 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 Measurement of Coating Thickness by the Beta Backscatter Method ASTM B568 Standard Test Method for Measuremen
27、t of Coating Thickness by X-Ray Spectrometry ASTM B633 Electrodeposited Coatings of Zinc on Iron and Steel ASTM B695 Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel ASTM B748 Standard Test Method for Measurement of Thickness of Metallic Coatings by Measurement of
28、 Cross Section with a Scanning Electron Microscope ASTM E18 Standard Test Methods for Rockwell Hardness of Metallic Materials ASTM E384 Standard Test Method for Knoop and Vickers Hardness of Materials ASTM E60 Standard Practice for Analysis of Metals, Ores, and Related Materials by Molecular Absorpt
29、ion Spectrometry ASTM F1136 Standard Specification for Zinc/Aluminum Corrosion Protective Coatings for Fasteners (Copies of these documents are available online at http:/www.astm.org or from the ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) Provided by
30、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32372 4 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 17025 General requirements for the competence of testing and calibration laboratories ISO 19879 Metallic tube connections for fluid power and
31、 general use Test methods for hydraulic fluid power connections (Copies of these documents are available online at www.ansi.org or from the ANSI Customer Service Department, 25 W. 43rdStreet, 4thFloor, New York, NY 10036.) NCSL INTERNATIONAL NCSL Z540.3 Requirements for the Calibration of Measuring
32、and Test Equipment (Copies of these documents are available online at http:/www.ncsli.org or from NCSL International 2995 Wilderness Place, Suite 107 Boulder, Colorado 80301-5404) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text o
33、f this document and the references cited herein (except for related specification sheets), the text of this document take precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets.
34、 The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict between requirements of this specification and the specification sheets, the latter shall govern. 3.2 First article. When specified (see 6.2), sample
35、s shall be subjected to first article inspection in accordance with 4.4. 3.3 Used, rebuilt or remanufactured components. No used, rebuilt or remanufactured components, pieces, or parts (such as nuts and sleeves), shall be used on the fittings. 3.4 Materials. Materials shall be as specified herein an
36、d 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 as a guarantee of accept
37、ance of the finished product. 3.4.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials shall be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and pr
38、omotes economically advantageous life cycle costs. 3.4.2 Dissimilar metals. When dissimilar metals are used 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
39、not be used in intimate contact with aluminum or aluminum alloy. Corrosion-resisting steel shall be passivated in accordance with SAE AMS2700. Protective measures for dissimilar metals shall be in accordance with MIL-STD-889. Provided by IHSNot for ResaleNo reproduction or networking permitted witho
40、ut license from IHS-,-,-MIL-DTL-32372 5 3.4.3 Fitting materials. Fitting materials shall be as specified in table I. 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 SAE AMS-A-22771 7075-T73, T6, T62
41、, or T651 Seamless tubing SAE AMS-WW-T-700/4 5052, type I SAE AMS-WW-T-700/6 6061-T6, type I Carbon steel Bar SAE J403 1045, 1110, 1120, 1140, 1213, 1215, or 12L14 Forgings Chrome-molybdenum steel Bars SAE AMS6370 Alloy 4130 Forgings SAE AMS6382 SAE AMS6370 Corrosion resistant steel Bars and forging
42、s 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 30321; 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 Ba
43、r 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 Forgings 1/ Titanium shall not be used in oxygen or potable water systems. Provided by IHSNot for ResaleNo reproduction or networking permitted without
44、license from IHS-,-,-MIL-DTL-32372 6 3.4.4 Finish. See table II. TABLE II. Material and chemical finish identification codes and chemical finish reference. PIN code material/plating finish Material Plating Finish requirement paragraph Blank Steel 3.4.4.1.a 1/ CN 3.4.4.1.a, with 3.4.4.1.c 1/ E 3.4.4.
45、1.c F Steel 3.4.4.1.b(4), 3.4.4.1b(5) or, 3.4.4.1.b(2) with 3.3.4.1c H Steel 3.4.4.1.b(3) J Steel 3.4.4.1.b(5) M Nickel-copper alloy UNS N04400 No additional finish. N High-chromium nickel alloy UNS N06690 No additional finish. P Steel 3.4.4.1.b(4) R Steel 3.4.4.1.b(2) 2/ S Corrosion resistant steel
46、 No additional finish. T Titanium 3.4.4.4 3/ Z Steel 3.4.4.1.b(1) ZN Steel 3.4.4.1.b(1) with 3.4.4.1c 1/ Hydrogen embrittlement relief test need not be run. 2/ Hexavalent chromium free. 3/ Titanium shall not be used in oxygen or potable water systems. 3.4.4.1 Steel finish (except corrosion resistant
47、 steel). a. Cadmium plating. Cadmium plating shall be in accordance with SAE AMS-QQ-P-416, type and class optional. Fluid passages, other openings and internal threads shall not be subject to the plating thickness requirement and may have bare areas provided they are protected with a light film of o
48、il. b. Zinc platings. (1) Zinc plating with chromate conversion shall be in accordance with ASTM B633; type II or III, Fe/Zn 5, or ASTM B695, type II, class 5. Both zinc platings specified in ASTM B633 type III and ASTM B695 type II shall meet the same 96-hour salt spray test endurance as ASTM B633
49、type II zinc plating. (2) Zinc plating with colorless passivate shall be in accordance with ASTM B633, type VI, Fe/Zn 5 or type V, Fe/Zn 25. (3) Zinc aluminum in accordance with ASTM F1136, grade 3, NC. (4) Zinc phosphate shall be in accordance with MIL-DTL-16232, type Z and shall be hexavalent chromium free. (5) Zinc nickel shall be in accordance with SAE AMS2417, type 1. c. Chemical film. NAVAIR trivalent chromate pretreatment
