1、AMSC N/A FSC 5935 MIL-DTL-641F 09 September 2013 SUPERSEDING MIL-J-641E 26 February 1979 DETAIL SPECIFICATION JACKS, TELEPHONE 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 specification covers
2、jacks used in telephone (including telephone switchboard consoles), telegraph, and teletype circuits, and for connecting headsets, handsets, and microphones into communications circuits. 1.2 Classification. Jacks will be of the types specified (see 3.1). 2. APPLICABLE DOCUMENTS 2.1 General. The docu
3、ments 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. While every effort has been made to ensure the completeness of this
4、 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. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and h
5、andbooks 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 (see 6.2). FEDERAL STANDARD FED-STD-H28/2 - Screw-Thread Standards for Federal Services Section 2 Unified Inch Screw Threads
6、 - UN and UNR Thread Forms. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-W-76 - Wire and Cable, Hookup, Electrical, Insulated. MIL-DTL-55330 - Connectors, Preparation for Delivery of. INCH-POUND Comments, suggestions, or questions on this document should be addressed to DLA Land and Maritime, Columbus,
7、ATTN: VAI, P.O. Box 3990 East Broad Street, Columbus, Ohio 43216-5000 or email to RFConnectordla.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. Provided by IHSNot for ResaleNo repro
8、duction or networking permitted without license from IHS-,-,-MIL-DTL-641F 2 DEPARTMENT OF DEFENSE STANDARDS MIL-STD-1916 - DoD Preferred Methods for Acceptance of Product. MIL-STD-202 - Test Methods for Electronic and Electrical Component Parts. MIL-STD-464 - Electromagnetic Environmental Effects Re
9、quirements for Systems MIL-STD-1285 - Marking of Electrical and Electronic Parts. MIL-STD-1353 - Electrical Connectors and Hardware. (Copies of these documents are available online at http:/quicksearch.dla.mil/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philade
10、lphia, 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 these documents are those cited in the solicitation or contract (see 6.2). ASME INTERNATIONAL ASME B107.100-2010- Soc
11、ket Wrenches, Handles, and Attachments. (Copies of these documents are available online at http:/www.asme.org or from the ASME International, Three Park Avenue, New York, NY 10016-5990.) ELECTRONIC COMPONENTS INDUSTRY ASSOCIATION (ECIA) EIA364 - Electrical Connector/Socket Test Procedures including
12、Environmental Classifications. (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.) 2.4 Order of precedence. In the event of a conflict between the text of this
13、 document and the references cited herein (except for specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exception has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individu
14、al item requirements shall be as specified herein and in accordance with the applicable specification sheets. In the event of conflict between requirements of this specification and the specification sheet, the latter shall govern. 3.2 Classification of requirements. The requirements for the jacks a
15、re classified herein as follows: Requirement Paragraph Qualification - - - - - - - - - - Materials- - - - - - - - - - - - - Design and construction- - Performance- - - - - - - - - - 3.3 3.4 3.5 3.6 3.3 Qualification. Jacks furnished under this specification shall be products which are qualified for
16、listing on the applicable qualified products list at the time set for opening of bids (see 4.4 and 6.4). 3.4 Materials. The materials shall be as specified herein. However, when a definite material is not specified, a material shall be used which enable the jacks to meet the performance requirements
17、 of this specification. Acceptance or approval of any constituent material shall not be construed as a guaranty of the acceptance of the finished product. 3.4.1 Fungus-inert. Materials used in the construction of these jacks shall be fungus-inert (see requirement 4 of MIL-STD-464). Provided by IHSNo
18、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-641F 3 3.4.2 Shells. Unless otherwise specified (see 3.1), shells shall be plastic and conforming to a polyarylether material, such as a polysulfone. 3.4.3 Metal parts. All metal parts shall be of corrosion-resi
19、stant material or shall be plated to resist corrosion, to permit compliance with the salt spray requirements of 3.6.11. 3.4.4 Springs. Contact springs shall be nickel-silver or copper alloy. Copper alloy springs shall be suitably plated to prevent corrosion of the basis metal. 3.4.5 Contact spring l
20、ifters. Hard rubber shall not be used for contact spring lifters. 3.5 Design and construction. 3.5.1 Jacks. Jacks shall be of the design and construction specified (see 3.1). 3.5.2 Cable clamp (see 3.1). A cable clamp for anchoring the electrical cable to the frame of the jack shall be supplied with
21、 the jack. If the cable clamp is not made as an integral part of the jack, the clamp shall be loosely assembled to or packaged with the jack. Twine serving is not acceptable for this service. 3.5.3 Conductor strain relief (see 3.1). Provisions for anchoring the stay cord to provide strain relief for
22、 the conductors of the electrical cable shall be included in the jack, all edges of the anchor in contact with the stay cord shall be rounded off. 3.5.4 Screw threads. Screw threads on removable or replaceable threaded parts shall be in accordance with ASME B107.100-2010. 3.5.5 Solder-lug terminals.
23、 Solder-lug terminals shall have circular or oval holes which will accommodate, after coating, two size 20 AWG, 7-strand wires for connections to electrical circuits. Stacked terminals shall be staggered. The exposed parts of the terminals shall be hot-tin-dipped or hot-solder-dipped, to facilitate
24、soldering. Care shall be taken that the terminal-lug holes are not closed by the solder. Where solder-dipping is employed, only noncorrosive fluxes shall be used. 3.6 Performance. 3.6.1 Contact resistance. When jacks are tested as specified in 4.6.2, the contact resistance shall not exceed 0.02 ohm,
25、 except following the shock, vibration, and spring life test, the contact resistance shall not exceed 0.02 ohms, and following the salt spray test, the contact resistance shall not exceed 0.10 ohm. 3.6.2 Insulation resistance. When jacks are tested as specified in 4.6.3, the insulation resistance sh
26、all be 10,000 megohms or greater, and 1,000 megohms or greater after the moisture resistance test (see 4.6.7) or the salt spray test (see 4.6.12), unless otherwise specified (see 3.1). 3.6.3 Dielectric withstanding voltage. When tested as specified in 4.6.4, jacks shall withstand a minimum of 500 vo
27、lts root mean square (rms) without dielectric breakdown or flashover. 3.6.4 Insertion and withdrawal forces. When jacks are tested as specified in 4.6.5, the insertion and withdrawal forces shall be as specified (see 3.1). 3.6.5 Thermal shock. When jacks are tested as specified in 4.6.6, the insulat
28、ion shall not be cracked, warped, or delaminated; all marking shall remain legible; and it shall be possible to remove and replace screw-on shells (where used) without the use of tools other than a screwdriver inserted in the slot in the end of the metal portion of the jack. 3.6.6 Moisture resistanc
29、e. When jacks are tested as specified in 4.6.7, the initial insulation resistance shall be as specified in 3.6.2. Following step 6 of the final cycle, at a relative humidity of 90 to 98 percent, the insulation resistance shall be not less than 1 megohm. Following the drying period, the insulation re
30、sistance, contact resistance, and dielectric withstanding voltage shall be as specified in 3.6.2, 3.6.1, and 3.6.3, respectively; the insulation shall not be cracked, warped, or delaminated; there shall be no excessive corrosion (see 3.6.11) of Provided by IHSNot for ResaleNo reproduction or network
31、ing permitted without license from IHS-,-,-MIL-DTL-641F 4 metal parts; all marking shall remain legible; and it shall be possible to remove and replace screw-on shells (where used) without the use of tools other than a screwdriver inserted in the slot in the end of the metal portion of the jack. 3.6
32、.7 Vibration. When jacks are tested as specified in 4.6.8, there shall be no damage or loosening of parts, loss of electrical continuity for more than a period of 10 microseconds with a current of 100 milliamperes dc, and the mating plug shall not separate from the jack, and the contact resistance s
33、hall be as specified in 3.6.1. 3.6.8 Shock (specified pulse). When jacks are tested as specified in 4.6.9, there shall be no visual evidence of mechanical damage, rupture of dielectric materials, loss of electrical continuity for more than a period of ten microseconds with a current of 100 milliampe
34、res dc, or loosening of parts. 3.6.9 Spring life. When jacks are tested as specified in 4.6.10, there shall be no danger or loosening of parts, and the insertion and withdrawal forces, dielectric withstanding voltage, and contact resistance shall be as specified in 3.6.4, 3.6.3, and 3.6.1, respectiv
35、ely. 3.6.10 Water seal (see 3.1). When jacks are tested as specified in 4.6.11, there shall be no water leakage. 3.6.11 Salt spray (corrosion). When jacks are tested as specified in 4.6.12, there shall be no excessive corrosion of metal parts; the insulation shall not be cracked, warped, or delamina
36、ted; and the contact resistance shall be as specified in 3.6.1. Excessive corrosion shall be construed as any corrosion which interferes with electrical or mechanical performance, or, in the case of plated metals, when the corrosive action has passed through the plating and attacked the basis metal.
37、 Exposed screw threads may be protected with a suitable coating. 3.6.12 Frame strength (see 3.1). When jacks are tested as specified in 4.6.13, there shall be no rupture of joints. 3.6.13 Strain relief (see 3.1). When tested in accordance with 4.6.14, there shall be no evidence of damage or cutting
38、of the conductors or stay cord. 3.6.14 Contact spring pressure (see 3.1). 3.6.14.1 Mated jacks. When tested in accordance with 4.6.15.1, the force required to lift each contact spring sufficiently to break electrical contact with the mating lug shall be 16 ounces minimum. 3.6.14.2 Unmated jacks. Whe
39、n tested in accordance with 4.6.15.2, the force required to lift each contact spring of the jack by an amount between 0.005 inch and 0.015 inch shall be 12 ounces minimum. 3.6.15 Contact spring evertravel (see 3.1). When tested as specified in 4.6.16, the contact springs shall flex a minimum of 0.08
40、0 inch and a maximum of 0.030 inch, except the number one contact spring may flex a maximum of 0.045 inch. 3.6.16 Static load (see 3.1). When jacks are tested as specified in 4.6.17, there shall be no damage or loosening of parts. 3.6.17 Longitudinal pull (see 3.1). When tested in accordance with 4.
41、6.18, there shall be no damage or loosening of parts, loss of electrical continuity for more than a period of ten microseconds with a current of 100 2 milliamperes dc, and the mating plus shall not separate from the jack, and the contact resistance shall be as specified in 3.6.1. 3.7 Marking. Jacks
42、shall be marked in accordance with method I of MIL-STD-1285, and shall include the manufacturers name, trademark, or source code and the part number (see 3.1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-641F 5 3.8 Workmanship. Jacks shal
43、l be processed in such a manner as to be uniform in quality and shall be free from defects that will affect life, serviceability, and appearance. There shall be no evidence of loose contacts; poor or improper molding or fabrication; damaged or improperly assembled contacts; peeling, flaking, or chip
44、ping of plating or finish; mechanical damage due to testing environment; nicks or burrs of metal parts or surfaces; improper or incorrect marking; or improper tinning of solder cups, terminals, pins, or contacts. 4. VERIFICATION 4.1 Test equipment and inspection facilities. Test and measuring equipm
45、ent and inspection facilities of sufficient accuracy, quality and quantity to permit performance of the required inspection shall be established and maintained by the contractor. 4.2 Classification of inspections. The inspections specified herein are classified as follows: a. Qualification inspectio
46、n (see 4.4). b. Quality conformance inspection (see 4.5). 4.3 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed in accordance with the test conditions specified in the “GENERAL REQUIREMENTS” of MIL-STD-202. 4.3.1 Mating plugs. Mating plugs used for inspecti
47、ons of jacks shall have been listed on, or approved for listing on, the applicable qualified products list. 4.4 Qualification inspection. Qualification inspection shall be performed at a laboratory acceptable to the Government (see 6.4) on sample units produced with equipment and procedures normally
48、 used in production. 4.4.1 Sample size. Twelve jacks of each type shall be subjected to qualification inspection. 4.4.2 Inspection routine. The sample shall be subjected to the inspections specified in table I, in the order shown. All sample units shall be subjected to the inspections of groups I an
49、d II. The sample shall then be divided equally into two groups of six units each and subjected to the inspection for their particular group. 4.4.3 Failures. One or more failures shall be cause for refusal to grant qualification approval. 4.4.4 Retention of qualification. To retain qualification, the contractor shall forward a report to the qualifying activity at the end of 24 months. The qualifying activity shall establish the initial reporting date. Subsequent repor
