1、AMSC N/A FSC 5930 MS27789D 13 September 2005 SUPERSEDING MS27789C 28 September 1987 DETAIL SPECIFICATION SHEET SWITCH, TOGGLE, FOUR POLE, ENVIRONMENTALLY SEALED, LEVER LOCK, INTEGRATED WIRE TERMINALS This specification is approved for use by all Departments and Agencies of the Department of Defense.
2、 The complete requirements for acquiring the switch described herein shall consist of this specification and the latest issue of MIL-DTL-3950. FIGURE1. Dimensions and configuration INCH-POUNDINACTIVE FOR NEW DESIGN AFTER 30 AUGUST 2005 Provided by IHSNot for ResaleNo reproduction or networking permi
3、tted without license from IHS-,-,-MS27789D 2FIGURE 1 Dimensions and configuration- Continued Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27789D 3NOTES: 1. Dimensions are inches. 2. Metric equivalents are given for general information only. 3. U
4、nless otherwise specified, tolerance is .020 (0.51 mm) for two place decimals and .005 (0.13 mm) for three place decimals. 4. For hardware detail specifications see appendix of MIL-DTL-3950. 5. Contact installing/removal tool in accordance with MIL-I-81969. 6. Grommet sealing plug in accordance with
5、 MS27488A20. 7. Sealing plugs may be used in nonfunctional grommet holes. 8. Sealing grommet shall seal on a smooth wire insulation of .040 (1.02 mm) to .083 (2.11 mm) 9. Terminal shall adequately accept a wire contact within dimensional limits of SAE-AS39029. 10. The terminal end of switch shall be
6、 color coded red to indicate contact size. 11. Direction of internal mechanism movement is opposite to the direction of the toggle movement. 12. Part number example: MS27789-21A ( locking combination A) 13. In the event of a conflict between the text of this standard and the reference cited herein,
7、the text of this standard shall take precedence. FIGURE1. Dimensions and configuration- Continued TEST REQUIREMENTS: Test shall be performed in accordance with MIL-DTL-3950 except: During all tests, switch shall be fully wired with appropriate wire and terminal contacts. Contact voltage drop- the co
8、ntact voltage drop with two terminals and the switch contact in series shall not exceed 8 millivolts measured from one wire contact through the contacts to the other wire contacts. DETAIL REQUIREMENTS: Locking arrangement: Positive locking shall be accomplished and shall prevent motion of the toggle
9、 lever until the locking mechanism is manually released. The force required to release the locking mechanism shall be 3 to 5 pounds. The locking means at the top of the toggle bushing shall be capable of withstanding a torque of 20 inch-pounds applied in both directions immediately following the hum
10、idity test. Weight: .227 pound maximum. Inches mm Inches mm .005 0.13 .432 10.97 .008 0.20 .469 11.91 .012 0.30 .47 11.9 .020 0.51 1.05 26.7 .060 1.52 1.140 28.96 .076 1.93 1.340 34.04 .38 9.7 1.660 42.16 .42 10.7 1.706 43.33 Provided by IHSNot for ResaleNo reproduction or networking permitted witho
11、ut license from IHS-,-,-MS27789D 4Referenced documents MIL-DTL-3950 MIL-I-81969 MS27488 SAE-AS39029 Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activity Army CR DLA -CC Navy - AS (Proj
12、ect 5930-2005-003) Air Force - 11 DLA C Circuit with Toggle Lever In Current capacity (amperes) 28 volts DC Current capacity(amperes) 115 volts, 60 and 400 Hertz AC MS part No. Available locking combinations Keying side center Opposite keying side Lamp-Load circuit Resistive circuit Inductive circui
13、t Lamp-Load circuit Resistive circuit Inductive circuit MS27789-1 ALL 1-2 4-5 7-8 on 10-11 2-3 4-5 7-8 on 11-12 2-3 5-6 8-9 On 11-12 5 7.5 7.5 4 7.5 7.5 MS27789-2 E, F, K, L, M, N 1-2 Mom. 4-5 7-8 on 10-11 2-3 4-5 7-8 on 11-12 2-3 5-6 8-9 on 11-12 MS27789-3 E, L, N 1-2 Mom. 4-5 7-8 on 10-11 2-3 4-5
14、7-8 on 11-12 2-3 Mom. 5-6 8-9 on 11-12 4 7.5 7.5 2 7.5 7.5 MS27789-21 ALL 1-2 7-8 4-5 on 10-11 Off 2-3 8-9 8-9 on 11-12 MS27789-22 D, F, G Off None 2-3 8-9 5-6 on 11-12 MS27789-23 D, F, G 1-2 Mom. 7-8 4-5 on 10-11 None 2-3 8-9 5-6 on 11-12 MS27789-24 E, F, K, M None Off 2-3 8-9 5-6 on 11-12 5 7.5 7.
15、5 4 7.5 7.5 MS27789-25 F None Mom. Off 2-3 8-9 5-6 on 11-12 MS27789-26 F 1-2 Mom. 7-8 4-5 on 10-11 None 2-3 8-9 5-6 on 11-12 MS27789-27 E, L, N 1-2 Mom. 7-8 4-5 on 10-11 Off 2-3 8-9 5-6 on 11-12 MS27789-28 E 1-2 Mom. 7-8 4-5 on 10-11 Off None MS27789-29 F Mom. Off None 2-3 8-9 5-6 on 11-12 MS27789-3
16、0 F 1-2 Mom. 7-8 4-5 on 10-11 None Off MS27789-31 E, F, K, L, M, N 1-2 Mom. 7-8 4-5 on 10-11 off 2-3 8-9 5-6 on 11-12 MS27789-32 E None 1-2 7-8 4-5 on 10-11 2-3 Mom. 8-9 5-6 on 11-12 4 7.5 7.5 2 7.5 7.5 MS27789-33 E, F, K, M None 1-2 7-8 4-5 On 10-11 2-3 8-9 5-6 on 11-12 5 7.5 7.5 4 7.5 7.5 Provided
17、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27789D 5Review activities Army AR, AV, CR4 Navy EC, MC 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-,-,-
