1、 MIL-DTL-39024B 3 February 2003 SUPERSEDING MIL-C-39024A 25 October 1972 DETAIL SPECIFICATION JACK, TIP (TEST POINT, PANEL OR PRINTED WIRING TYPE), 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
2、specification covers the general requirements for panel or printed wiring type test point connectors for use in electrical and electronic equipment (see 6.1). As used in this specification, the term “connectors” includes tip jacks. 1.2 Classification. Connectors covered by this specification are sin
3、gle-contact or multiple-contact connectors, as specified (see 3.1). 1.2.1 Part or Identifying Number (PIN). The military PIN consists of the letter “M” followed by the basic number of specification sheet, and an assigned dash number (see 3.1), as shown in the following: M39024/1- 01 G Military desig
4、nator and specification sheet number Dash number designation on specification sheet Plating signifier (gold) 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other secti
5、ons 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 must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether
6、 or not they are listed. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Defense Supply Center Columbus, Attn: VAI, 3900 East Broad Street, Columbus, Ohio, 43216-5000 by using the Standardizatio
7、n Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 5935 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUNDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from I
8、HS-,-,-MIL-DTL-39024B 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 of these documents are those listed in the issu
9、e of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS DEPARTMENT OF DEFENSE MIL-DTL-16878 - Wire, Electrical, Insulated, General Specification for. MIL-DTL-55330 - Connectors, Electrical and Fiber Opt
10、ic, Packaging of. (See supplement 1 for associated specification sheets.) STANDARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. FED-STD-595 - Colors used in Government Procurement. DEPARTMENT OF DEFENSE MIL-STD-202 - Electronic and Electrical Component Parts. MIL-STD-889 - Dis
11、similar Metals. MIL-STD-1285 - Marking of Electrical and Electronic Parts. MIL-STD-1344 - Test Methods for Electrical Connectors. (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue,
12、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, which are DoD adopted, are those listed in the issue DoDISS cited in the solicitation.
13、 Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) INTERNATIONAL ASTM B16/B16M - Rod, Brass, Free-cutting, Bar and Shapes for Use in Screw Machines. ASTM
14、B139/B139M - Rod, Phosphor Bronze, Bar, and Shapes. ASTM B194 - Copper Beryllium Alloy Plate, Sheet, Strip and Rolled Bar. ASTM B196/B196M - Rod and Bar, Copper-Beryllium Alloy. ASTM B197/B197M - Wire, Alloy Copper-Beryllium. ASTM A342/A342M - Materials, Feebly Magnetic, Permeability Of. ASTM B488 -
15、 Electrodeposited Coatings of Gold for Engineering Uses. ASTM D635 - Plastics in a Horizontal Position, Rate of Burning and/or Extent and Time of Burning of. ASTM B740 - Copper-Nickel-Tin Spinodal Alloy Strip. ASTM A967 - Chemical Passivation Treatments for Stainless Steel Parts. ASTM D2863 - Plasti
16、cs, Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of (Oxygen Index). ASTM D4894 - Polytetraflouroethylene (PTFE) Granular Molding and Ram Extrusion Materials. ASTM D5948 - Compounds, Molding, Thermosetting. (Applications for copies should be addressed to the ASTM Inter
17、national, 100 Barr Drive, West Conshohocken, Pennsylvania, USA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-39024B 3 INSTITUTE FOR INTERCONNECTING AND PACKAGING ELEC CIRCUITS (IPC) IPC 2221 - Printed Boards Design, Generic Sta
18、ndard for. J-STD-004 - Soldering Fluxes, Requirements for. J-STD-005 - Soldering Pastes, Requirements for. J-STD-006 - Electronic Grade Solder Alloys and Fluxed and Non-fluxed Solid Solders for Electronic Soldering, Applications Requirements for. (Application for copies should be addressed to the In
19、stitute for Interconnecting and Packaging Elec Circuits, 2215 Sanders Road, Northbrook, Il 60062.) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 10012-1 - Equipment, Quality Assurance Requirements for Measuring Part 1: Metrological Confirmation System for Measuring Equipment. (Application
20、 for copies should be addressed to the American National Standards Institute, 25 West 43rdStreet, New York, NY 10036.) NATIONAL CONFERENCE OF STANDARDS LABS (NCSL) ANSI/NCSL Z540-1 - Laboratories, Calibration, and Measuring and Test Equipment. (Application for copies should be addressed to the Natio
21、nal Conference of Standards Labs, 1800 30thStreet, Suite 305B, Boulder, Co 80301.) AMERICAN SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE AMS 2418 - Copper Plating. SAE AMS-P-81728 - Plating, Tin-Lead (Electrodeposited). SAE AMS QQ-P-35 - Passivation Treatment for Corrosion-Resistant Steel. SAE AMS-QQ-N
22、-290 - Nickel Plating (Electrodeposited). (Application for copies should be addressed to the American Society Of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096-0001.) NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION HP-3 - Electrical and Electronic PTFE (Polytetraflouroethylene) Ins
23、ulated High Temperature Hook-up Wire; Types ET (250 Volts), E (600 Volt), and EE (1000 Volts). (Application for copies should be addressed to the National Electrical Manufacturers Association, 1300 North Seventeenth Street, Suite 1847, Rosslyn, VA 22209.) (Non-Government standards and other publicat
24、ions are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited
25、herein (except for associated detail specifications, specification sheets, or MS standards), 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 shee
26、ts. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheets. In the event of any conflict between requirements of this specification and the specification sheet, the latter shall govern (see 6.2). Provided by IHSNot for ResaleNo reprod
27、uction or networking permitted without license from IHS-,-,-MIL-DTL-39024B 4 3.2 Qualification. Connectors furnished under this specification shall be products which are qualified for listing on the applicable qualified products list at the time set for opening of bids (see 4.4 and 6.3). 3.3 Materia
28、ls. Materials shall be as specified herein; however, when a definite material is not specified, a material shall be used which will enable the connectors to meet the performance requirements of this specification. Acceptance or approval of any constituent material shall not be construed as a guarant
29、y of the acceptance of the finished product. 3.3.1 Metals parts. 3.3.1Nonmagnetic materials. All parts shall be made from materials which are classified as nonmagnetic. 3.3.1.2 Dissimilar metals. Where dissimilar materials are used in intimate contact with each other, protection against electrolysis
30、 and corrosion shall be provided. Dissimilar metals shall be as defined in MIL-STD-889. Dissimilar metals such as brass, copper, or steel (except corrosion-resisting steel, passivated in accordance with SAE AMS QQ-P-35 or ASTM A967) shall not be used in intimate contact with aluminum or aluminum all
31、oy. 3.3.1.3 Metals and finishes. All exposed metals parts, except electric contacts, terminals, and corrosion-resisting steel parts shall be nickel-plated in accordance with class 1, type 2, of SAE AMS-QQ-N-290. Steel parts shall be passivated in accordance with SAE AMS QQ-P-35 or ASTM A967. 3.3.1.4
32、 Contacts. Contact springs and tabs shall be made of beryllium copper in accordance with ASTM B194, ASTM B196, or ASTM B197; or when specified (see 3.1) phosphor bronze in accordance with ASTM B139/B139M or copper nickel alloy C72900 in accordance with ASTM B740. The contact springs and tabs, and th
33、at portion of the body that provides a normal force to the test probe shall be gold plated in accordance with ASTM B488, type 3, code C, class 1.27, over an underplate either of copper, in accordance with SAE AMS-2418; 0.0002 inch minimum thickness, or nickel in accordance with class 2 of SAE AMS QQ
34、-N-290, 0.00003 to 0.00015 inch thickness. 3.3.1.5 Terminals. Soldering terminals shall be made of a copper alloy material and shall be plated in one of the following manners: a. Gold plated in accordance with ASTM B488, type 3, code B or C, class 0.50 (0.00002 in) over a copper underplate in accord
35、ance with SAE AMS 2418, 0.0002 inch minimum. b. Gold plated in accordance with ASTM B488, type 3, code B or C, class 0.50 (0.00002 in) over a nickel underplate in accordance with SAE AMS QQ-N-290, class 2, 0.00003 to 0.00015 inch thickness. c. Tin lead plated in accordance with SAE AMS-P-81728, 50-7
36、0 percent tin 0.0001-inch thick minimum over nickel in accordance with SAE AMS QQ-N-290, class 2, 0.00003 to 0.00015 inch thick. For devices used in printed wiring applications. d. Tin lead plated in accordance with SAE AMS-P-81728, 50 to 95 percent tin 0.0001-inch thick minimum over nickel in accor
37、dance with SAE AMS QQ-N-290, class 2, 0.00003 to 0.00015 inch thick. For devices used in non-printed wiring applications. e. Solder coated in accordance with J-STD-004, J-STD-005, and J-STD-006, SN60, 0.0003 inch thick over copper accordance with SAE AMS 2418, 0.0002 inch minimum thickness. f. Solde
38、r coated in accordance with J-STD-004, J-STD-005, and J-STD-006, SN60, 0.0003 inch thick over nickel accordance with SAE AMS QQ-N-290, class 2, 0.00003 to 0.00015 inch thick. NOTE: Those parts with gold plated solder terminals shall be identified by a suffix G on the PIN, for example, M39024/18-07G.
39、 For replacement purposes, the Government will stock and issue only those parts having gold plated solder terminals. 3.3.1.5.1 Delivery from stock. Qualified manufacturers and their selling agents or distributors may ship the stock connectors which were qualified to the preceding issue of MIL-C-3902
40、4 for a period of 1 year from the date of this specification change, unless otherwise specified (see 3.1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-39024B 5 3.3.2 Plastic parts. Plastic parts shall be made of type GDI-30F or type SDG-F
41、 of ASTM D5948, or, when specified (see 3.1), polytetrafluoroethane of ASTM D4894. When applicable, insulation colors shall conform to FED-STD-595, as specified (see 3.1). 3.3.2.1 Flammability. Plastic materials shall be limited to those certified by their manufacturers as self-extinguishing in acco
42、rdance with ASTM D635 and ASTM D2863. 3.3.3 Threaded parts. Screw threads for threaded parts shall conform to FED-STD-H28, and shall be as specified (see 3.1). 3.4 Design, construction, and physical dimensions. Connectors shall be of the design, construction, and physical dimensions specified (see 3
43、.1). Unless otherwise specified (see 3.1), connectors shall have an operating temperature range of -65C to +125C. 3.4.1 Contacts. Contacts shall be closed-entry design. The closed-entry feature shall be an integral part of the socket contact. The socket contact shall provide the spring action for ma
44、intaining the contact pressure between the test probe and socket. Contacts shall accept test probes 0.040 0.001 or 0.080 0.001 inch in diameter, as specified (see 3.1). 3.4.1.1 Contact identification. Contact positions on multiple-contact connectors shall be permanently identified by legible letters
45、 or numerals, as specified (see 3.1), molded or stamped on the front and rear face of the connector body. Marking shall be arranged to avoid confusion between contacts. 3.4.1.2 Contact arrangement. The center-to-center distance between contacts shall be as specified (see 3.1). 3.4.1.3 Contact finish
46、. Contact finish shall be smooth, free of shear lines, tear out or scratches, and shall show no signs of porosity or surface cracks. 3.4.1.4 Contact current rating. The current rating of contacts shall be as shown in table I, as specified (see 3.1). TABLE I. Contact current rating. Contact diameter
47、(inches) Maximum current rating (amperes) 0.040 0.080 3 5 3.4.2 Mounting hardware. Screws, clamps, brackets, or similar means for mounting the connectors shall be furnished, when specified (see 3.1). 3.5 Performance. 3.5.1 Permeability. When connectors are tested as specified in 4.6.3, the permeabil
48、ity shall be less than 2.0 Mu. 3.5.2 Contact resistance. When connectors are tested as specified in 4.6.4, the voltage drop shall be not greater than 20 millivolts, unless otherwise specified (see 3.1). 3.5.3 Insulation resistance. When measured as specified in 4.6.5, the insulation resistance shall
49、 be 5,000 megohms or greater. 3.5.4 Dielectric withstanding voltage. When tested as specified in 4.6.6, connectors shall withstand the test voltage specified (see 3.1) with no evidence of flashover. 3.5.5 Insertion and withdrawal forces. When connectors are tested as specified in 4.6.7, the forces required to insert and withdraw the test probes (see 4.6.1.1) shall be as specified (see 3.1). 3.5.6 Resistance to test-probe damage. When tested as specified in 4.6.8, socket contacts and connectors shal