1、 MIL-PRF-31031B w/AMENDMENT 1 2 July 2009 SUPERSEDING MIL-PRF-31031B 18 August 2005 PERFORMANCE SPECIFICATION CONNECTORS, ELECTRICAL, PLUGS AND RECEPTACLES, COAXIAL, RADIO FREQUENCY, HIGH RELIABILITY, FOR FLEXIBLE AND SEMIRIGID CABLES, GENERAL SPECIFICATION FOR This specification is approved for use
2、 by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the general requirements and tests for radio frequency connectors used with flexible RF cables and certain other types of coaxial transmission lines. 1.1.2 Part or Identifying Number (PIN). T
3、he PIN consists of the letter “M” followed by the basic specification sheet number. The remainder of the PIN is constructed in the following manner: M31031/ XXX A 5 S 01 Basic specification Sequencially assigned number or alpha numeric number (see 3.1) Specification sheet number Seal designator (see
4、 1.1.3) Connector category (see 1.2) Body material/finish and contact finish (see 3.3.1) NOTE: Once the PIN is constructed by the user, the specification should be checked for compliance and the Qualified Products List (QPL) is to be checked for sources prior to procurement. AMSC N/A FSC 5935 INCH-P
5、OUNDComments, 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 emailed to RFconnectorsdscc.dla.mil. Since contact information can change, you may want to verify the currency of this ad
6、dress information using ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-31031B w/AMENDMENT 1 2 1.1.3 Environmental seal. The connector is designated as sealed or unsealed in the following m
7、anner. See space grade packaging requirements for space grade connectors (see section 5.1). N Unsealed. B Unsealed, space grade. S Sealed. G Sealed, space grade. Y Hermetic. H Hermetic, space grade. 1.2 Categories. The categories of connectors are designated by an A (field serviceable), B (non-field
8、 replaceable, special tools may be required), C (field replaceable, solder center contact), D (field replaceable, crimp center contact), E (field replaceable), F (field replaceable), M (field replaceable) and N adapters (field replaceable) as follows: a. Category A Connectors which do not require sp
9、ecial tools to assemble are designated as category A connectors. Standard wrenches, soldering equipment, pliers, etc., are not defined as special tools. Intended for use on flexible cables only. b. Category B Connectors which require special tools to assemble are designated category B connectors. Th
10、ese connectors are for original equipment manufacturers use only. A qualified source for the replacement connector in another category must be in existence before connectors from this category can be used by the OEM. Loss of the qualified source for the replacement connector will force the removal o
11、f the associated category B part from the QPL as well. Category B connectors will not be stocked or procured by the Government. c. Category C Connectors which require only standard military crimping tools for braid attachment and standard cable stripping dimensions to assemble are designated as cate
12、gory C connectors. The standard military crimping tool is as specified in 3.1. Center contacts are assembled by solder. (Intended for use on flexible cables only). d. Category D Connectors which require only standard military crimp tools for the center contact and outer ferrule, and standard cable s
13、tripping dimensions to assemble are designated as category D connectors. The standard military crimp tools are as specified in 3.1. Intended for use on flexible cables only. e. Category E Connectors using semirigid cables with standard stripping dimensions and using standard soldering tools. f. Cate
14、gory F Connectors using semirigid cables with standard stripping dimensions and using standard military tools. The method of assembly of the connector to the cable is crimping for at least the outer conductor. Center contacts may be soldered. g. Category M Connectors using semirigid cables with stan
15、dard stripping dimensions using standard military tools. The method of assembly is mechanical and does not require the use of crimping tools or soldering irons. h. Category N Connectors, no cable attachment, such as shrouds and hardware. No special tools required. i. Category P Adapters, Connectors,
16、 no cable attachment. No special tools required. Removal tool to be specified by the manufacturer if required. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-31031B w/AMENDMENT 1 3 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in
17、 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. While every effort has been made to ensure the completeness of this list, document
18、 users are cautioned that they must meet all specified requirements 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
19、 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 - Screw Thread Standards for Federal Services. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-45204 - Gold Plating, Electro
20、deposited. MIL-DTL-38999 - Connectors, Electrical, Circular, Miniature, High Density, Quick Disconnect (Bayonet, Threaded, And Breech Coupling), Environment Resistant, Removable Crimp And Hermetic, Solder Contacts, General Specification For (See ASSIST database for list of specification sheets.) DEP
21、ARTMENT OF DEFENSE STANDARDS MIL-STD-130 - Identification Marking of U.S. Military Property. MIL-STD-202 - Test Methods for Electronic and Electrical Component Parts. MIL-STD-348 - Radio Frequency Connector Interfaces. MIL-STD-790 - Standard Practice for Established Reliability and High Reliability
22、Qualified Products List (QPL) Systems For Electrical, Electronic, and Fiber Optic Parts. MIL-STD-889 - Dissimilar Metals. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization D
23、ocuments Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specifi
24、ed, the issues of these documents are those cited in the solicitation or contract. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION NHB 8060.1 - Flammability, Odor, Offgassing and Compatibility Requirements and Test Procedures for Materials in Environments that Support Combustion. (Copies of these docu
25、ments are available from http:/www.hq.nasa.gov or the Office of Safety and Mission Quality, (code QR), NASA, Headquarters, Washington, DC 20546.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-31031B w/AMENDMENT 1 4 2.3 Non-Government public
26、ations. The following documents 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. AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. (AIA/NAS) NASM20995 - Wire, Safety, or Lock. (Copi
27、es of these documents are available online from http:/www.aia-aerospace.org or from the Aerospace Industries Association of America, 1000 Wilson Boulevard, Suite 1700, Arlington, VA 22209-3901.) ASME INTERNATIONAL ASME B46.1 - Surface Texture, (Surface Roughness, Waviness and Lay.) (Copies of these
28、documents are available online at http:/www.asme.org or from ASME International, Three Park Avenue, New York, NY 10016-5990.) ASTM INTERNATIONAL ASTM A342/A342M - Materials, Feebly Magnetic, Permeability of, Standard Test Methods For. ASTM A484/A484M - Steel, Bars, Billets and Forgings, Stainless. A
29、STM B36/B36M - Plate, Brass, Sheet, Strip, and Rolled Bar. ASTM B88 - Tube, Water, Seamless Copper. ASTM B121/B121M - Plate, Leaded Brass, Sheet, Strip, and Rolled Bar. ASTM B139/B139M - Rod, Phosphor Bronze, Bar, and Shapes. ASTM B194 - Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar. AS
30、TM B196/B196M - Rod and Bar, Copper-Beryllium Alloy. ASTM B197/B197M - Wire, Alloy Copper-Beryllium. ASTM B700 - Standard Specificaton For Electrodeposited Coatings of Silver for Engineering Uses ASTM D2116 - Molding and Extrusion Materials, FEP Fluorocarbon. ASTM D4894 - Polytetrafluoroethylene (PT
31、FE) Grandular Molding and RAM Extrusion Materials. ASTM D4895 - Polytetrafluoroethylene (PTFE) Resins Produced From Dispersion. ASTM E595 - Total Mass Loss and Collected Volatile Condensable Materials from Outgassing in a Vacuum Environment. (Copies of these documents are available from http:/www.as
32、tm.org or ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) ELECTRONIC INDUSTRIES ALLIANCE (EIA) EIA-364 - Electrical Connector/Socket Test Procedures Including Environmental Classifications. EIA-364-20 - Withstanding Voltage Test Procedure for Electrical C
33、onnectors, Sockets and Coaxial Contacts. EIA-364-26 - Salt Spray Test Procedure for Electrical Connectors, Sockets and Coaxial Contacts. EIA-364-27 - Mechanical Shock (Specified Pulse) Test Procedure for Electrical Connectors. EIA-364-28 - Vibration Test Procedure for Electrical Connectors and Socke
34、ts. EIA-364-31 - Humidity Test Procedure for Electrical Connectors and Sockets. EIA-364-32 - Thermal Shock (Temperature Cycling) Test Procedure for Electrical Connectors and Sockets. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-31031B w/AM
35、ENDMENT 1 5 EIA-364-66 - EMI Shielding Effectiveness Test Procedure for Electrical Connectors. EIA-557 - Statistical Process Control Systems. (Copies of these documents are available from http:/www.eia.org or from the Electronic Industries Alliance, Technology Strategy and Standards Department, 2500
36、 Wilson Boulevard, Arlington, VA 22201.) IEEE OPERATIONS CENTER IEEE Standard 287 - Standard for Precision Coaxial Connectors. (Copies of these documents are available online from http:/www.corporate-communicationsieee.org or from the IEEE Operations Center, 445 Hoes Lane, Piscataway, New Jersey 088
37、54-1331.) INSTITUTE FOR INTERCONNECTING AND PACKAGING ELECTRONIC CIRCUITS J-STD-006 - Electronic Grade Solder Alloys and Fluxed and Non-Fluxed Solid Solders For Electronic Soldering Applications, Requirements For (Copies of these documents are available online from http:/www.ipc.org or from the Inst
38、itute for Interconnecting and Packaging Electronic Circuits, 2215 Sanders Road, North Brook, IL 60062-6135.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE-AMS-2700 - Passivation of Corrosion Resistant Steels. (Copies of these documents are available online from http:/www.sae.org or from the Society of A
39、utomotive Engineers, 400 Commonwealth Drive, Warrandale, 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 specification sheets), the text of this
40、 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
41、fication sheet. In the event of any conflict between the requirements of this specification and the specification sheet, the latter shall govern. 3.2 Qualification. Connectors furnished under this specification shall be products that are authorized by the qualifying activity for listing on the appli
42、cable qualified products list before contract award (see 4.3.1 and 6.3). 3.2.1 QPL system. The manufacturer shall establish and maintain a QPL system for parts covered by this specification. Requirements for this system are specified in MIL-STD-790. In addition, the manufacturer shall establish a St
43、atistical Process Control (SPC) system that meets the requirements of 3.2.2. 3.2.2 SPC system. As part of the overall MIL-STD-790 QPL system, the manufacturer shall establish a SPC system that meets the requirements of EIA-557. 3.3 Critical interface, materials plating and processes. Material shall
44、be as specified herein. If materials other than those specified are used, the contractor shall certify to the qualifying activity that the substitute material enables the connectors to meet the requirements of this specification. Acceptance or approval of Provided by IHSNot for ResaleNo reproduction
45、 or networking permitted without license from IHS-,-,-MIL-PRF-31031B w/AMENDMENT 1 6 any constituent material shall not be construed as a guaranty of the acceptance of the finished product. When a definite material is not specified, a material shall be used which will enable the connector to meet th
46、e requirements of this specification. Specified materials: See ASTM A342/A342M, ASTM A484/A484M, ASTM B36/B36M, ASTM B88, ASTM B121/B121M, ASTM B139/B139M, ASTM B194, ASTM B196/B196M, ASTM B197/B197M, ASTM B700, ASTM D2116, ASTM D4894, ASTM D4895, and ASTM E595. 3.3.1 Critical interface connector bo
47、dy material/finish and center contact finish. The connector body material/finish and center contact finish shall be one of the following: 0 - Brass body, silver finish. All brass-bodied connectors are silver plated to a minimum thickness of 5.08 m (.0002 inch) in accordance with ASTM B700, over a co
48、pper underplate. The male pin shall be plated to a minimum gold thickness of 50 micro inches (1.27 m) in accordance with MIL-DTL-45204, type II, grade C, class 1 (or equivalent as permitted by the qualification and preparing activities), 50 micro inches (1.27 m) minimum of nickel in accordance with
49、MIL-DTL-38999, appendix A, type 2, measured anywhere along the mating surface, for all series. The socket contact shall be plated to a minimum gold thickness of 50 micro inches (1.27 m) in accordance with MIL-DTL-45204, type II, grade C, class 1 (or equivalent as permitted by the qualification and preparing activities), over 50 micro inches (1.27 m) minimum o
