1、 MIL-DTL-52525F 12 November 2008 SUPERSEDING MIL-DTL-52525E 30 June 1998 DETAIL SPECIFICATION FITTINGS, HOSE, HYDRAULIC, REUSABLE, FIELD-ATTACHABLE AND CLAMP-HALVES, TO MATE WITH SAE-J517 TYPE HOSES, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of
2、the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers fittings, hose, reusable, field attachable and clamp-halves, to mate with SAE-J517 type hoses, general specification for. The connectors are reusable, field-attachable, hydraulic, 37 flare and 4-bolt split-flange hose fittings,
3、 and 4-bolt split-flange clamp-halves, for use with wire reinforced hydraulic hose in accordance with MIL-DTL-52471. 1.2 Part or Identifying Number (PIN). The PIN consists of the letter “M” the specification sheet number, a dash, a number for hose size, a dash, a number for tube size, and a material
4、 finish designator. M 52525/1 -4 -5 D 1.2.1 Plating options. To the users of this document, it is recommended that the use of carbon steel material with cadmium plating be used only when the other materials and finishes specified in this document cannot meet performance requirements. 1.2.2 Clamp-hal
5、ves. Clamp-halves have the following working pressure rating: 3000 psi (21 MPa) - MIL-DTL-52525/16. Comments, suggestions, or questions on this document should be addressed to: Commander, Defense Supply Center Columbus, Attn: VAI, P.O. Box 3990, Columbus, Ohio, 43218-3990 or email: to FluidFlowdla.m
6、il. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 4730INCH-POUND Size dash number for tube (see applicable specification sheet) Size dash number for hose (see applicabl
7、e specification sheet) Specification sheet number M prefix Material/finish designator (see 1.2.1 and applicable specification sheet) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525F 2 1.2.3 Classification (see 6.7). Fittings are of the
8、following types: Type 100R1 - For use with 100R1 single wire braid reinforcement hose. Type 100R2 - For use with 100R2 double wire braid reinforcement hose. Type 100R10 - Discontinued by SAE. See MIL-DTL-52471/6 for replacement hoses. Type 100RE - For use with 4-spiral-wrap reinforcement hose. 1/ Ty
9、pe 100R12 - For use with 4-spiral-wrap reinforcement hose. 1/ The letter “E” used in type 100RE is not related to SAE J517, but is used in this standard to match hose assembly operating pressures and other performance data called out in this specification and MIL-DTL-52471 and the associated slash s
10、heets for hose and fitting selection. 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
11、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 documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specific
12、ations, 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 of these documents are those cited in the solicitation or contract. FEDERAL STANDARDS FED-STD-H28/8 - Screw-Thr
13、ead Standards For Federal Services Section 8 Dryseal Pipe Threads FED-STD-162 - Hose, Rubber, Visual Inspection Guide For DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-A-8625 - Anodic Coatings for Aluminum And Aluminum Alloys MIL-DTL-16232 - Phosphate Coatings, Heavy, Manganese or Zinc Base (For Ferrous
14、Metals) MIL-DTL-52471 - Hose and Hose Assemblies, Rubber, Hydraulic Pressure Type, General Specification for MIL-DTL-52471/3 - Hose Assemblies, Rubber, Hydraulic Pressure-Type, Type 100RE, Four-Wire Braid Reinforcement or Multiple Wire Braid Steel Wire Reinforced Hose MIL-DTL-52471/6 - Hose, Rubber,
15、 Hydraulic Pressure-Type, Type 100R10 Four-Spiral-Wrap Reinforcement Hose MIL-DTL-81706 - Chemical Conversion Materials For Coating Aluminum and Aluminum Alloys MIL-PRF-2104 - Lubricating Oil, Internal Combustion Engine, Combat/Tactical Service QQ-N-281 - Nickel-Copper Alloy Bar, Rod, Plate, Sheet,
16、Strip, Wire, Forgings, and Structural and Special Shaped Sections (See supplement 1 for list of specification sheets.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525F 3 DEPARTMENT OF DEFENSE STANDARD MIL-STD-889 - Dissimilar Metals (Co
17、pies of these documents are available online at http:/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 s
18、pecified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASME INTERNATIONAL ASME B1.1 - Unified Inch Screw Threads (UN and UNR Thread Form) ASME B46.1 - Surface Texture (Surface Roughness, Waviness, and Lay) (Copies of these document
19、s 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-Rolled a
20、nd 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,
21、N06603, N06690, N06693, N06025, and N06045)* 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 a Cross Section ASTM B499 - Standard Test Method for Measure
22、ment 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 Mea
23、surement 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 Mechanically Deposited on Iron and Steel ASTM B748 - Standard Test Method for Measurement of Thicknes
24、s of Metallic Coatings by Measurement of Cross Section with a Scanning Electron Microscope 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
25、C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525F 4 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 17025 - General requirements for the competence of testing and c
26、alibration laboratories (Copies of these documents are available online 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 Cali
27、bration of Measuring 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) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE-AMS-A-22771 - Aluminum Alloy Forgings, Heat Treated SAE-A
28、MS-QQ-A-200/8 - Aluminum Alloy 6061, Bar, Rod, Shapes, Tube, and Wire, Extruded SAE-AMS-QQ-A-225/8 - Aluminum Alloy 6061, Bar, Rod, and Wire, and Special Shapes; Rolled, Drawn, or Cold Finished SAE-AMS-QQ-A-225/9 - Aluminum Alloy 7075, Bar, Rod, Wire, and Special Shapes; Rolled, Drawn, or Cold Finis
29、hed SAE-AMS-QQ-A-367 - Aluminum Alloy Forgings SAE-AMS-QQ-P-416 - Plating, Cadmium (Electrodeposited) SAE-AMS2417 - Plating, Zinc-Nickel Alloy 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
30、 by Stretching, and Overaged SAE-AMS4127 - Aluminum Alloy, Forgings and Rolled or Forged Rings (6061-T6) Solution and Precipitation Heat Treated SAE-AMS2451/5 - Plating, Brush, Chromium Hard Deposit, Trivalent SAE-AMS2451/9 - Plating, Brush, Zinc-Nickel Low Hydrogen Embrittlement SAE-AMS2486 - Conve
31、rsion Coating of Titanium Alloys Fluoride-Phosphate Type SAE-AMS2488 - Anodic Treatment - Titanium and Titanium Alloys Solution pH 13 or Higher SAE-AMS2700 - Passivation of Corrosion Resistant Steels SAE-AMS4141 - Aluminum Alloy Die Forgings 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7075-T73) Solution and Pre
32、cipitation Heat Treated 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 SAE-AMS5643 - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tub
33、ing, 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 Treated SAE-AMS5647 - Steel, Corrosion-Resistant, Bars, Wire, Forging
34、s, 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 Provided by IHSNot for ResaleNo reproduction or networking permitted withou
35、t license from IHS-,-,-MIL-DTL-52525F 5 SAE-AMS6370 - 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-AS4841 - Fittings, 37 Degree Flared, Fluid Connection SAE-AS28775 - P
36、acking, Preformed, Hydraulic, +275 Degrees F (“O“Ring) SAE-J343 - Test and Test Procedures for SAE 100R Hydraulic Hose and Hose Assemblies, Standard SAE-J403 - Chemical Compositions of SAE Carbon Steels SAE-J514 - Hydraulic Tube Fittings SAE-J515 - Specification for Hydraulic O-Ring Materials, Prope
37、rties, and Sizes for Metric and Inch Stud Ends, Face Seal Fitting and Four-Screw Flange Tube Connections SAE-J516 - Hydraulic Hose Fittings SAE-J517 - Hydraulic Hose SAE-J518 - Hydraulic Flanged Tube, Pipe, and Hose Connections, 4-Bolt Split-Flange Type (Copies of these documents are available onlin
38、e at http:/www.sae.org or from the SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001.) 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 s
39、pecification sheets), 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 Specification sheets. The individual item requirements shall be as specified herein and i
40、n 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 Qualification. Hose connectors and assemblies furnished under this specification shall be products that are authori
41、zed by the qualifying activity for listing on the applicable Qualified Products List (QPL) before contract award (see 4.3 and 6.3). 3.3 Materials. Materials shall be as specified herein and as referenced in other specifications, standards, or other referenced documents. Materials not specified shall
42、 be selected by the contractor and shall be free of defects, which adversely affect performance of the finished product. 3.3.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials shall be used to the maximum extent possible provi
43、ded that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.3.1.1 Used, rebuilt or remanufactured components. Used, rebuilt or remanufactured components, pieces and parts shall not be used in the fittings. 3.3.2 Fitt
44、ing materials. Fitting materials shall be as specified in table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525F 6 TABLE I. Materials. 1/ Material Form Specification Alloy Aluminum alloy Bar SAE-AMS-QQ-A-200/8 6061-T651 SAE-AMS-QQ-A-
45、225/8 6061-T6 SAE-AMS-QQ-A-225/9 7075- T73, T7351 SAE-AMS4124 7075-T7351 Forgings SAE-AMS4127 6061-T6 SAE-AMS-A-22771 7075-T73, T6, T62, or T651 SAE-AMS-QQ-A-367 7075-T73 SAE-AMS4141 7075-T73 Carbon steel Bar SAE-J403 1110, 1120, or 1140 Forgings Chrome-molybdenum steel Bars SAE-AMS6370 Alloy 4130 F
46、orgings SAE-AMS6382 SAE-AMS6370 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 30321; UNS S32100 SAE-AMS5647 304L; UNS S30403 SAE-AMS5643 17-4PH SAE-AMS574
47、3 AM-355 Nickel-copper alloy Bar ASTM B164 QQ-N-281 UNS N04400 High-chromium nickel alloy Bar ASTM B166 UNS N06690 Forgings ASTM B564 Titanium Bars SAE-AMS4928 6AI-4V annealed Forgings 1/ If fittings are to be used on an oxygen hose see 6.5. 3.3.3 Finish. All platings shall be capable of meeting the
48、 96 hour salt spray test in accordance with 4.6.8. 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 oil. 3.3.3.1 Steel fitting finish (except corrosion resistant ste
49、el). a. Cadmium plating. Cadmium plating shall be in accordance with SAE-AMS-QQ-P-416, type and class optional. b. Zinc platings. (1) Zinc plating with chromate conversion in accordance with ASTM B633; type II or III, Fe/Zn 5, or ASTM B695, type II, class 5. (2) Zinc plating with colorless passivate in accordance with ASTM B633, type VI, Fe/Zn 5. (3) Zinc plating with colorless passivate in accordance with ASTM B633, type V, Fe/Zn 25. Provide
