DLA MS21353 REV K-2008 SWITCH TOGGLE POSITIVE BREAK SPECIAL CIRCUIT MINIATURE TOGGLE SEALED SOLDER LUG DOUBLE POLE 469 MOUNTING BUSHING.pdf

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1、 AMSC N/A FSC 5930 INCH-POUND MS21353K 5 May 2008 MS21353J 18 October 1985 DETAIL SPECIFICATION SHEET SWITCH, TOGGLE, POSITIVE BREAK, SPECIAL CIRCUIT, MINIATURE, TOGGLE SEALED, SOLDER LUG, DOUBLE POLE, .469 MOUNTING BUSHING This specification sheet is approved for use by all Departments and Agencies

2、 of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-5423. Notes 1. Dimensions are in inches. Metric equivalents are given for general information only. 2. Unless otherwise specified, tolerances are 0.10 (0.2

3、5 mm) on decimals and .5 on angles. 3. For hardware detail specifications see appendix of MIL-DTL-8834. 4. In the event of conflict between the text of this standard and the references cited herein, the text of this specification sheet shall take precedence. FIGURE 1. Dimensions and configuration. P

4、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21353K 2 INCHES MM INCHES MM INCHES MM INCHES MM INCHES MM .002 .05 .016 .41 .045 1.14 .338 8.59 .556 14.12 .003 .08 .024 .61 .052 1.32 .432 10.97 .572 14.53 .005 .13 .025 .64 .072 1.83 .438 11.13 .687

5、 17.45 .010 .25 .030 .76 .169 4.29 .469 11.91 .706 17.93 .012 .30 .032 .81 .240 6.10 Current Capacity In Amperes Circuit Made Between Terminalsas Indicated with Toggle Lever in these Positions (a) Resistive Load Inductive Load 115 Volts 115 Volts MS DASH NO. 1/ 2/ Opposite Keyway Side Center Positio

6、n Keyway Side 28 VoltsDC 60 HertzAC 400 HertzAC 28 VoltsDC 60 Hertz AC 400 Hertz AC Life Low Current Level Switching5 mV -831 -331 2-3 5-6 ON 2-3 4-5 ON 1-2 4-5 ON -841 -341 2-3 5-6 MOM-ON 2-3 4-5 ON 1-2 4-5 MOM-ON-821 -321 NONE 2-3 5-6 ON 1-2 4-5 MOM-ON-851 -351 2-3 5-6 ON 2-3 4-5 ON 1-2 4-5 MOM-ON

7、5 2 3 (b) 1 1 2 (c) 25A (a) Direction of movement of internal mechanism is opposite to the direction of the toggle movement. (b) With time constant of .020 .002 seconds. (c) Contact resistance not to exceed 50 ohms during life, low current level switching. 1/ 800 series toggle seal (water) 15 head,

8、300 series toggle seal (water) 1/2“ head. 2/ Delayed action of the switch toggle lever may cause circuit to close or open before snap action mechanism trips. FIGURE 1. Dimensions and configuration continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH

9、S-,-,-MS21353K 3 REQUIREMENTS Toggle seal test: Method I for 800 series, Method II for 300 series. Shock Method I and Method II (high impact): The switch shall be electrically and mechanically operative at the conclusion of the shock test except there can be mechanical transfer of the contact mechan

10、ism at all levels when tested in accordance with Method II (high impact). Weight: .0463 pound maximum (21 grams). Strength of terminal: 5 pounds pull perpendicular to mounting plane and 2 pounds in other planes. Dielectric withstanding voltage: 1,200 V rms at sea level. Altitude: 50,000 feet. 115 V

11、ac, 60 Hertz electrical endurance test: Shall be performed at room temperature and pressure. QUALIFICATION At the request of the manufacturer with the qualifying activitys approval, Table II of MIL-DTL-8834 may be superseded by the following Table and used for Qualification Inspection, if qualificat

12、ion of MS90311 has already been successfully completed and approved by the qualifying activity. If the design, material, construction, or processing is changed or if there are any quality problems or failures, the qualifying activity may require resumption of the original testing requirement. Regard

13、less of reduction of tests, the manufacturer shall supply product capable of passing the prescribed tests. Table I: Qualification Inspection Inspection Requirement paragraph Test paragraph 1 2 3 4 Examination of product 3.1 4.8.1 X X X X Switching characteristics 3.6.3 4.8.4 X X X X Contact voltage

14、drop 3.6.9 4.8.10 X X Overload 3.6.11 4.8.12.1 Electrical endurance, inductive load 28VDC, 1A, 50,00 feet altitude, 20,000 cycles 3.6.11 4.8.12.3 X X Dielectric withstanding voltage, 1,200Vrms at sea level 3.6.10 4.8.11 X X Examination of product 3.1 4.8.1 X X Shock, Method I 3.6.13 4.8.14.1 X X Sho

15、ck, Method II 3.6.13 4.8.14.31 X X Vibration, high frequency 3.6.14 4.8.15 X X Moisture resistance 3.6.16 4.8.17 X X Dielectric withstanding voltage, 1,200Vrms at sea level 3.6.10 4.8.11 X X Sealing/Toggle seal, Method II 3.6.20.1 4.8.21.1 X X Examination of product 3.1 4.8.1 X X Provided by IHSNot

16、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21353K 4 The margins of this specification are marked with vertical lines to indicate where modifications were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccur

17、acies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations. Referenced documents: MIL-DTL-8834 MS90311 Custodians: Preparing activity: Army CR DLA CC Navy AS Air Force 11 (Project 59

18、30-2008-042) DLA CC Review activities: Army AR, MI Navy EC Air Force 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-