1、Comments, suggestions or questions on this document should be addressed to DLA Land and Maritime, ATTN: VAT, Post Office Box 3990, Columbus, OH 43218-3990, or emailed to switchdla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASS
2、IST Online database at https:/assist.daps.dla.mil/. AMSC N/A FSC 5930 METRIC MIL-DTL-13484G 26 January 2011 SUPERSEDING MIL-DTL-13484F 30 November 2004 DETAIL SPECIFICATION SWITCH, SENSITIVE: 30 VOLTS DIRECT CURRENT MAXIMUM, WATERPROOF Inactive for new design after 8 March 1999 This specification is
3、 approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a waterproof, single-pole, sensitive switch used for controlling electrical circuits up to 30 volts direct current in tactical military vehicles. 1.2 Classification. The swit
4、ch is classified as follows (see 6.2 and 6.7): Type I - Single-throw Type II - Double-throw Class 1 - Normally open Class 2 - Normally closed 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 in
5、clude 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 users are cautioned that they must meet all specified requirements of documents in section 3, 4,
6、or 5 of this specification, whether or not they are listed. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-13484G 2 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbo
7、oks 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. DEPARTMENT OF DEFENSE SPECIFICATION MS39058 - Switch, Sensitive 24 Volt DC, (Waterproof). STANDARDS MIL-STD-130 - Identification
8、 Marking of U.S. Military Property. MIL-STD-202 - Test Methods for Electronic and Electrical Component Parts. Handbooks MIL-HDBK-454 - General Guidelines for Electronic Equipment MIL-HDBK-1184 - Electrical Components for Automotive Vehicles; Waterproofness Tests. (Copies of these documents are avail
9、able online at https:/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 specified herein. Unless otherwise
10、 specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN SOCIETY FOR TESTING AND MATERIAL (ASTM) ASTM-G21 - Materials To Fungi, Synthetic Polymeric, Determining Resistance of (Application for copies can be found online at http:/www.astm.org/ or should be ad
11、dressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, P.O.Box C700, West Conshohocken, PA, 19428-2959). INTERNATIONAL ORGANIZATION FOR STANDARDS (ISO) ISO 10012-1 - Quality Assurance Requirements for Measuring Equipment Part 1; Metrological Confirmation System for Measuri
12、ng Equipment. NATIONAL CONFERENCE OF STANDARDS LABORATORIES (NCSL) NCSL-Z540.3 - Calibration of Measuring and Test Equipment, Requirements for (Application for copies can be found online at http:/www.ansi.org/ or 25 West 43rd Street, New York, NY 10036-8002, telephone 212-642-4900, fax 212-302-1286)
13、 2.4 Order of precedence. 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, however, supersedes applicable laws and regulations unless a specifi
14、c exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-13484G 3 3. REQUIREMENTS 3.1 Qualification. Switches furnished wader this specification shall be products which are authorized by the qualifying activity for listi
15、ng on the applicable Qualified Products List (QPL) at the time set for opening of bids (see 4.4 and 6.3). 3.2 Materials. Materials shall be as specified herein and in applicable specifications and standards. Insulating material shall conform to MIL-HDBK-454, guideline 11 (see 4.6.1). 3.2.1 Dissimila
16、r metals. Except where necessary to complete an electrical circuit, contact between dissimilar metals which would encourage galvanic action shall be avoided (see 4.6.1). 3.2.2 Recycled, virgin, and reclaimed materials. Recycled, recovered, or environmentally preferable materials should be used to th
17、e maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs (see 6.4.2). 3.2.3 Pure tin. The use of pure tin, as an underplate or final finish, is prohibited both internally and externall
18、y. Tin content of switch components and solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.8) 3.3 Design and construction. Switch dimensions, construction and requirements shall be as specified in MS39058 (see 4.6.1). 3.4 Physical requi
19、rements. 3.4.1 Shock. While carrying a rated resistive load current of 15 amperes, the switch shall not open or do., during shock testing as specified in MIL-STD-202, method 213, test condition I. After the shock test, the switch shall meet the requirement of 3.5.2 (see 4.6.3.1). 3.4.2 Vibration. Wh
20、ile carrying a rated resistive load current of 15 amperes, the switch shall not open or close during vibration testing as specified in 4.6.3.2. After the vibration test, the switch shall meet the requirements of 3.4.4, 3.5.2, and 3.5.4. 3.4.3 Lead connections. Lead connections to the switch body sha
21、ll withstand a force of 110 Newton (N), applied in specified directions, without damage. Subsequently, the switch shall meet the requirements of 3.5.2 and 3.5.4 (see 4.6.3.3). 3.4.4 Physical characteristics. The switch shall actuate with 4.5 to 9.0 Newton (N) of force applied within 3 mm of center o
22、f switch button. Other physical characteristics shall be as follows (see 4.6.3.4): Release force - 1.7 newton, minimum. Release time - 0.25 second, maximum. Pretravel - 0.38 mm, minimum. Overtravel - 0.38 mm, minimum. Movement differential - 0.26 mm, maximum. 3.5 Electrical requirements. 3.5.1 Curre
23、nt rating. The current rating shall be 7.5 amperes lamp load, 7.5 amperes inductive load (L/R ratio 0.026), and 15 amperes resistive load (see 4.6.4.1). 3.5.2 Contact voltage drop. With switch contacts closed and a rated resistive load current of 15 amperes applied, the measured allowable voltage dr
24、op shall not exceed 150 millivolts, except as specified in 3.5.6 (see 4.6.4.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-13484G 4 3.5.3 Overload capacity. The switch shall withstand 100 make and break cycles while carrying a rated resi
25、stive load current of 22.5 amperes. Subsequently, the switch shall meet the requirements of 3.5.2 (see 4.6.4.3). 3.5.4 Insulation resistance. The insulation resistance between open contacts of the switch shall be not less than 500 megohms (see 4.6.4.4). 3.5.5 Open circuit resistance. The resistance
26、between open contacts of the switch shall be not less than 1 megohm (see 4.6.4.5). 3.5.6 Endurance. The switch shall withstand 25,000 make and break cycles while connected to either a rated inductive, load current or rated lamp load current of 7.5 amperes. Subsequent to cycling, the contact voltage
27、drop shall not exceed 300 millivolts (see 4.6.4.5). 3.6 Environmental requirements. 3.6.1 Corrosion. Subsequent to testing as specified in 4.6.5.1, the switching mechanism shall evidence no corrosion. 3.6.2 Fungus. The switch shall evidence no deterioration after testing as specified in ASTM-G21 for
28、 a period of 90 days. The switch shall subsequently meet specified requirements (see 4.6.5.2). 3.6.3 Waterproofness. The switch shall evidence no leakage when tested as specified in MIL-HDBK-1184, method 100, and shall subsequently meet specified requirements (see 4.6.5.3). 3.6.4 Extreme temperature
29、. The switch shall operate for 1000 cycles (see 4.3.1) throughout a temperature range of -54C (-65F) to 74C (165F) with a not greater than 0.25-second release time. The switch shall meet the requirements specified in table I, for the temperature-tested samples, in the order shown (see 4.6.5.4). 3.7
30、Identification marking. Identification marking shall be in accordance with MIL-STD-130 (see 4.6.2). 3.8 Workmanship. Workmanship shall be of a quality which will assure a product free of pinholes, flash, protrusions, or breaks in the rubber covering specified in MS39058 or in lead wire insulation (s
31、ee 4.6.2). 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. Qualification inspection (see 4.4). b. Conformance inspections (see 4.5). 4.2 Test equipment and inspection facilities. Test and measuring equipment and inspection
32、 facilities of sufficient accuracy, quality and quantity to permit performance of the required inspection shall be established and maintained by the supplier. The establishment and maintenance of a calibration system to control accuracy of the measuring and test equipment shall be in accordance with
33、 NCSL-Z540.3, ISO-10012-1 or equivalent system as approved by the qualifying activity. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-13484G 5 4.3 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be conducte
34、d under the following condition.: a. Air temperature 23 10C. b. Barometric pressure 724 + 51, -76 mmHg. c. Relative humidity 50 + 30 percent. 4.3.1 Switch cycling frequency. Switch cycling frequency shall be 15 cycles per minute with 2.0 + 0.2 seconds on and 2.0 + 0.2 seconds off. The ends of the le
35、ads shall be sealed as necessary to prevent entry of moisture, salt or fungus through the ends. 4.4 Qualification inspection. A qualification sample of nine switches of each type and class to be qualified shall be furnished for qualification inspection. The samples shall be representative of switche
36、s proposed to be furnished under the contract. Qualification inspection shall be performed at a laboratory acceptable to the Government (see 6.3), on sample units produced with equipment and procedures normally used in production, and shall consist of inspections specified in 4.6.1 and test as speci
37、fied in table I in the order listed. 4.4.1 Failure. Failure of any switch to comply with the applicable requirements shall be cause for refusal to grant qualification. 4.4.2 Verification of qualification. Every 12 months, the manufacturer shall provide verification of qualification to the qualifying
38、 activity. Continuation is based on meeting the following requirements: a. Design of the switch has not been modified (every 12 months). b. Verification of group A lot acceptance (every 12 months) (see 4.5.2) c. Periodic group B inspection (every 36 months) (see 4.5.3). 4.5 Conformance Inspection. I
39、nspection of product for delivery shall consist of group A inspection. 4.5.1 Inspection lot. An inspection lot shall consist of all category I and category II switches of the same specification sheet, of the same enclosure requirement, temperature characteristic and interface and dimensions, produce
40、d under essentially the same conditions and offered for inspection at one time. . 4.5.2 Group A inspection, Group A inspection shall consist of the inspections specified in table II. The inspection may be performed in any order. 4.5.2.1 Sampling plan. Statistical sampling shall be in accordance with
41、 table III. For acceptance of the lot, there shall be zero occurrences of defects. 4.5.2.2 Rejected lots. If an inspection lot is rejected, the lot shall be 100 percent inspected for the defects noted. The contractor may correct the defects or remove all of the defective units from the lot. The lot
42、shall then be sampled again in accordance with table III. For acceptance, there shall be zero occurrences of defects. If one or more defects are found in the second sample, the lot shall be rejected and shall not be supplied to this specification. Such lots shall be separate from new lots and shall
43、be clearly identified as reinspected lots. 4.5.3 Periodic inspection. Periodic inspection shall consist of group B. Except where the results of these inspections show noncompliance with the applicable requirements (see 4.5.3.1.3), delivery of products which have passed group A shall not be delayed p
44、ending the results of these periodic inspections. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-13484G 6 Table I. Qualification Test Sequence. Sample number Paragraph Title 1 and 2 4.6.4.1 4.6.4.2 4.6.4.5 4.6.3.4 4.6.5.4.1 4.6.5.3.1 4.6.4.4
45、 4.6.5.4.2 4.6.3.4 4.6.4.1 4.6.4.2 4.6.4.5 4.6.4.3 4.6.4.1 4.6.4.2 4.6.5.1 Current rating Contact voltage drop Open circuit resistance Physical characteristics Low temperature operation Waterproofness Insulation resistance High temperature operation Physical characteristics Current rating Contact vo
46、ltage drop Open circuit resistance Overload capacity Current rating Contact voltage drop Corrosion 3 and 4 4.6.4.1 4.6.4.2 4.6.3.4 4.6.3.3 4.6.4.1 4.6.4.2 4.6.4.4 4.6.3.1 4.6.4.1 4.6.4.2 4.6.3.2 4.6.3.4 4.6.4.1 4.6.4.2 4.6.4.4 Current rating Contact voltage drop Physical characteristics Lead connect
47、ions Current rating Contact voltage drop Insulation resistance Shock Current rating Contact voltage drop Vibration Physical characteristics Current rating Contact voltage drop Insulation resistance 5 and 6 4.6.4.1 4.6.4.2 4.6.3.4 4.6.4.6 4.6.3.4 4.6.4.1 4.6.4.2 4.6.4.4 Current rating Contact voltage
48、 drop Physical characteristics Endurance Physical characteristics Current rating Contact voltage drop Insulation resistance 7 and 8 4.6.4.1 4.6.4.2 4.6.3.4 4.6.4.4 4.6.5.2 4.6.3.4 4.6.4.1 4.6.4.2 4.6.4.4 Current rating Contact voltage drop Physical characteristics Insulation resistance Fungus Physic
49、al characteristics Current rating Contact voltage drop Insulation resistance 9 4.6.5.3.1 4.6.5.1 Waterproofness Corrosion Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-13484G 7 Table II. Group A Inspection. Paragraph Title 4.6.3.3 4.6.4.2 4.6.3.4 4.6.4.2 4.6.4.4 4.6.5.3.2 4.6.4.2 4.6.4.5 Lead connections Contact voltage drop Physical characterist
