DLA MS21351 REV G-2011 SWITCH TOGGLE POSITIVE BREAK SPECIAL CIRCUIT MINIATURE TOGGLE SEALED SOLDER LUG SINGLE POLE 469 MOUNTING BUSHING.pdf

1、AMSC N/A FSC 5930 INCH-POUND MS21351G 5 October 2011 SUPERSEDING MS21351F 18 October 1985 DETAIL SPECIFICATION SHEET SWITCH, TOGGLE, POSITIVE BREAK, SPECIAL CIRCUIT, MINIATURE TOGGLE SEALED, SOLDER LUG, SINGLE POLE, .469 MOUNTING BUSHING This specification is approved for use by all Departments and

2、Agencies of the Department of Defense. The requirements for acquiring the products described herein shall consist of this specification sheet and MIL-DTL-8834. FIGURE 1. Dimensions and configuration. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS

3、21351G 2 Inches mm Inches mm Inches mm .002 .003 .005 .010 .012 .016 .024 .025 .030 0.05 0.08 0.13 0.25 0.30 0.41 0.61 0.64 0.76 .032 .045 .052 .072 .169 .240 .338 .351 0.81 1.14 1.32 1.83 4.29 6.10 8.59 8.92 .364 .432 .438 .469 .572 .687 .706 9.25 10.97 11.13 11.91 14.53 17.45 17.93 NOTES: 1. Dimen

4、sions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .010 (0.25 mm) on decimals and 5 on angles. FIGURE 1. Dimensions and configuration - Continued. REQUIREMENTS: For hardware detail specifications, see appendix of MIL-DTL-8

5、834. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. Shock: Method I and method II (high impact). The switch shall be electrically and mechanically operative at the conclusion of the shock test e

6、xcept there can be mechanical transfer of the contact mechanism at all levels when tested in accordance with method II (high impact). Toggle seal test: Method II. Weight: .0429 pound maximum (19.4 grams). Strength of terminals: 5 pounds pull perpendicular to mounting plane and 2 pounds in other plan

7、es. Dielectric withstanding voltage: 1,200 V rms at sea level. Altitude: 50,000 feet. 115 V ac, 60 hertz electrical endurance tests are to performed at room temperature and pressure. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21351G 3 TABLE I.

8、 Detail requirements. MS dash no 1/ Circuit made between terminals as indicated with the toggle lever in these positions: 2/ Current capacity in amperes Life low current level switching 5 mV Resistive load Inductive load 28 volts dc 115 volts 28 volts dc 115 volts Opposite keyway side Center positio

9、n Keyway side 60 Hertz ac 400 Hertz ac 60 Hertz ac 400 Hertz ac -321 None 2-3 on 1-2 mom-on 5 2 3 1 3/ 1 2 25 A 4/ 1/ Delayed action of the switch toggle lever may cause circuit to close or open before snap action mechanism trips. 2/ Direction of movement of internal mechanism is opposite to the dir

10、ection of the toggle movement. 3/ With time constant of .020 .002 second. 4/ Contact resistance not to exceed 50 during life, low current level switching. Referenced documents: MI-DTL-8834 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect

11、to the previous issue due to the extent of the changes. Custodians: Preparing activity: Army - CR DLA CC Navy AS Air Force - 85 (Project 5930-2011-075) DLA - CC Review activities: Army - AR, MI 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 https:/assist.daps.dla.mil/ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-