DLA MIL-DTL-55181 F-2012 CONNECTORS PLUG AND RECEPTACLE INTERMEDIATE POWER (ELECTRICAL WATERPROOF) TYPE MW GENERAL SPECIFICATION FOR.pdf

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1、 MIL-DTL-55181F 1 August 2012 SUPERSEDING MIL-DTL-55181E 10 March 2008 DETAIL SPECIFICATION CONNECTORS, PLUG AND RECEPTACLE, INTERMEDIATE POWER (ELECTRICAL, WATERPROOF), TYPE MW, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Def

2、ense. 1. SCOPE 1.1 Scope. This specification covers the general requirements for a series of center-lock coupling screw, waterproof, polarized, multi-contact, intermediate power connectors for interconnection of power and control circuits on electronic equipment (see 6.1). 1.2 Classification. 1.2.1

3、Part or Identifying Number (PIN). The PIN consists of the letter M, the basic specification number, a forward slash, the specification sheet number, a dash, a number for the cable size accommodation (when applicable), and a finish designator, (see 3.1) as shown in the following example: M 55181/ 1 -

4、 01 T Note: Cadmium is the default finish. No finish designator is required for cadmium finish. 1.2.2 Cable size accommodation. When applicable, the cable size accommodation is indicated by a number assigned in a specific specification sheet. Comments, suggestions, or questions on this document shou

5、ld be addressed to DLA Land and Maritime-VAI, P.O. Box 3990, Columbus OH 43218-3990 or emailed to CircularConnectordla.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.dla.mil. AMSC N/A FSC 59

6、35 INCH-POUND Cable size accommodation (see 1.2.2) Specification sheet number Basic specification M prefix Finish (see 3.3.9) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-55181F 2 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed i

7、n 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, documen

8、t 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 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a p

9、art 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 - Screw-Thread Standards for Federal Services. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Test Methods for

10、Electronic and Electrical Component Parts. MIL-STD-790 - Standard Practices for Established Reliability and High Reliability Qualified Products List (QPL) Systems For Electrical, Electronic, and Fiber Optic Parts Specifications. MIL-STD-810 - Test Method Standard for Environmental Engineering Consid

11、erations and Laboratory Tests. MIL-STD-889 - Dissimilar Metals. MIL-STD-1285 - Marking of Electrical and Electronic Parts. MIL-DTL-45204 - Gold Plating, Electrodeposited. MIL-DTL-81706 - Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys. (See supplement 1 for list of specificati

12、on sheets.) (Copies of these documents are available online at https:/assist.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Governme

13、nt documents, drawings, and publications 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. DRAWINGS ELECTRONIC COMMAND SC-A-46439 - List of Accessories for Package Tester. (Unless ot

14、herwise indicated, copies of the above specifications, standards, and drawings required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the procuring activity or as directed by the contracting officer. Both the title and

15、 number or symbol should be stipulated when requesting copies.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-55181F 3 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unl

16、ess otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASTM INTERNATIONAL ASTM A582/A582M - Bars, Free Machining Stainless Steel. ASTM B16/B16M - Rod, Bar, Free Cutting, Bar and Shapes for use in Screw Machines. ASTM B139/B139M - Rod, Phosphor Bronze,

17、 Bar, and Shapes. ASTM B194 - Copper-Beryllium Alloy, Plate, Sheet, Strip, and Rolled Bar. ASTM B196/B196M - Rod and Bar, Copper-Beryllium Alloy. ASTM-B841 - Standard Specification for Electrodeposited Coatings of Zinc Nickel Alloy Deposits. ASTM B487 - Measurement of Metal and Oxide Coating Thickne

18、ss by Microscopical Examination of a Cross Section. ASTM B488 - Gold for Engineering Uses, Electrodeposited Coatings of. ASTM B567 - Measurement of Coating Thickness by the Beta Backscatter Method. ASTM B568 - Measurement of Coating Thickness by X-Ray Spectrometry. ASTM B748 - Measurement of Thickne

19、ss of Metallic Coatings by Measurement of Cross Section with a Scanning Electron Microscope. ASTM D2000 - Rubber Products in Automotive Applications. ASTM D5948 - Compounds, Molding, Thermosetting. (Copies of these documents are available from http:/www.astm.org/ or from ASTM International, P.O. Box

20、 C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) ELECTRONIC COMPONENTS INDUSTRY ASSOCIATION (ECIA) EIA-364 - Electrical Connector/Socket Test Procedures Including Environmental Classifications. EIA-364-09 - Connectors and Contacts, Electrical, Durability Test Procedure for. EIA-364-2

21、0 - Connectors, Sockets and Coaxial Contacts, Electrical, Withstanding Voltage, Test Procedures for. EIA/ECA-364-21 - Insulation Resistance Test Procedure for Electrical Connectors, Sockets, and Coaxial Contacts. EIA/ECA-364-26 - Connectors, Contacts and Sockets, Electrical, Salt Spray Test Procedur

22、e for. EIA-364-28 - Connectors and Sockets, Electrical, Vibration Test Procedure for. EIA/ECA-364-29 - Contact Retention Test Procedure for Electrical Connectors. EIA-364-31 - Connectors and Sockets, Electrical, Humidity Test Procedure for. EIA-364-32 - Connectors and Sockets, Thermal Shock (Tempera

23、ture Cycling), Test Procedure for. (Copies of these documents are available online at http:/eciaonline.org or from the Electronic Components Industry Association (ECIA), 1111 Alderman Dr., Suite 400, Alpharetta, GA 30005-4175.) Provided by IHSNot for ResaleNo reproduction or networking permitted wit

24、hout license from IHS-,-,-MIL-DTL-55181F 4 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 10012 - Measurement Management Systems Requirements for Measurement Processes and Measuring Equipment First Edition. (Copies of these documents are available online at http:/www.iso.ch or from the Int

25、ernational 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 are available online at http:/www.ncsli

26、.org or from NCSL International, 2995 Wilderness Place, Suite 107 Boulder, Colorado 80301-5404.) SAE INTERNATIONAL SAE-AMS-QQ-N-290 - Nickel Plating (Electrodeposited). SAE-AMS-QQ-P-416 - Plating, Cadmium (Electrodeposited). SAE-AMS2404 - Nickel, Electroless, Plating. SAE-AMS2454 - Plating, Electrol

27、ess Nickel, Codeposited with Polytetrafluoroethylene (PTFE). (Copies of these documents are available online at http:/www.sae.org or from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, and Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), email at Custom

28、erServicesae.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 document takes precedence. Nothing in this document,

29、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 specification sheet. In the event of any conflict between t

30、he 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 applicable qualified products list before contract award (s

31、ee 4.7 and 6.3). 3.2.1 Qualified Products List (QPL) system. The manufacturer shall establish and maintain a quality system that allows parts that are covered by this specification to be listed on the QPL. Requirements for this system are specified in MIL-STD-790. Provided by IHSNot for ResaleNo rep

32、roduction or networking permitted without license from IHS-,-,-MIL-DTL-55181F 5 3.3 Materials. 3.3.1 Material requirements. The materials used to manufacture these connectors shall be as specified herein. When a definite material is not identified, a material shall be used which will enable the conn

33、ectors to meet all requirements of this specification. Acceptance or approval of a constituent material shall not be construed as a guaranty of acceptance of the finished product. 3.3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable m

34、aterials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.3.3 Metals and finishes. All exposed metal parts, other than electrical contacts, may be alumin

35、um, aluminum alloy, brass, steel or corrosion resistant steel. 3.3.3.1 Dissimilar metals. When dissimilar metals are used in intimate contact with each other, protection against galvanic corrosion shall be provided. The use of dissimilar metals in contact, which tend toward active galvanic corrosion

36、 (particularly brass, copper, or steel used in contact with aluminum or aluminum alloy) is not acceptable. However, metal plating of dissimilar base metals to provide similar or suitable abutting surfaces is permitted. The use of dissimilar metals separated by a suitable insulating material is also

37、permitted. Dissimilar metals and compatible couples are defined in accordance with MIL-STD-889. 3.3.3.2 Pure tin. The use of pure tin, as an underplate or final finish, is prohibited both internally and externally. Tin content of connectors, their components and solder shall not exceed 97 percent, b

38、y mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.4). 3.3.4 Inserts. 3.3.4.1 Material requirements. Insert material shall be in accordance with ASTM D5948, diallyl ortho-phthalate, type SDG-F, or GDF-30F. 3.3.4.2 Construction. Inserts shall be designed and constructed wit

39、h proper radii so they will not readily chip, crack, or break in assembly or normal service. The inserts shall be non-removable, mechanically retained in the shell. 3.3.5 Rubber. Rubber material shall be in accordance with ASTM D2000. 3.3.6 Contacts. 3.3.6.1 Contact outer sleeve (pin and socket). Th

40、e sleeve of the pin and socket shall be made of brass in accordance with ASTM B16/B16M. 3.3.6.2 Male contacts. Male contacts shall be made of brass in accordance with ASTM B16/B16M. 3.3.6.3 Female contacts. Female contacts shall be of the closed entry type. The spring contact portion of the socket s

41、hall be beryllium copper in accordance ASTM B139/B139M, ASTM B194, or ASTM B196/B196M. 3.3.6.4 Contact finish. When tested as specified in 4.9.21, the contact finish shall meet the requirements as specified herein. Provided by IHSNot for ResaleNo reproduction or networking permitted without license

42、from IHS-,-,-MIL-DTL-55181F 6 3.3.6.5 Overall or optional localized contact finish. Nonremovable contacts shall have a finish as specified in 3.3.6.5.1 or 3.3.6.5.2. Each desired finish shall be qualified. 3.3.6.5.1 Overall finish. Contact body shall be gold plated in accordance with ASTM B488, type

43、 II, code C, class 1.27 (50 microinches) or in accordance with MIL-DTL-45204 type II, class 1, .00005 inches (50 microinches) minimum thickness (see 4.9.21). The entire surface of the contact body shall be nickel underplated in accordance with SAE-AMS-QQ-N-290, class 2, 30 to 150 microinches (0.0007

44、6 to 0.0038 mm) minimum thickness. Silver shall not be used as an underplate. 3.3.6.5.2 Localized finish, female (socket) contacts (2 piece contacts with solid body and clip). Contact clip (a separate spring contact body or pressure member produced from a base material of stamped and formed berylliu

45、m-copper) shall be gold plated in accordance with ASTM B488, type II, code C, class 1.27 (50 microinches) or in accordance with MIL-DTL-45204 type II, class 1, .00005 inches (50 microinches) minimum thickness (see 4.9.21). Contact body of machined brass shall be gold plated in accordance with ASTM B

46、488 or MIL-DTL-45204 (any type), .000015 inches (15 microinches) minimum thickness. The entire surface of the contact body shall be nickel underplated in accordance with SAE-AMS-QQ-N-290, class 2, 30 to 150 microinches (0.00076 to 0.0038 mm) minimum thickness. Silver shall not be used as an underpla

47、te. 3.3.6.5.3 Localized finish, male (pin) contacts. Contact mating surfaces (electrical engagement area) shall be gold plated in accordance with ASTM B488, type II, code C, class 1.27 (50 microinches) or in accordance with MIL-DTL-45204 type II, class 1, .00005 inches (50 microinches) minimum thick

48、ness (see 4.9.21) applied to areas X and Y (see figure 1 and figure 2) as applicable. All other body surfaces shall be finished with a minimum gold thickness of 15 microinches, in accordance with ASTM B488 or MIL-DTL-45204 (any type). The entire surface of the contact body shall be nickel underplate

49、d in accordance with SAE-AMS-QQ-N-290, class 2, 30 to 150 microinches (0.00076 to 0.0038 mm) minimum thickness. Silver shall not be used as an underplate. NOTE: 1. Dimensions are in inches. Metric equivalents are given for information only. FIGURE 1. Areas of application of localized finish, pin (male) contacts with solder cups. NOTE: 1. Dimensions are in inches. Metric equivalents are given for information only. F