1、AMSC N/A FSC 5930 INCH-POUND MS27781D 18 April 2011 SUPERSEDING MS27781C 28 September 1987 DETAIL SPECIFICATION SHEET SWITCH, TOGGLE, ONE POLE, ENVIRONMENTALLY SEALED, LEVER LOCK, INTEGRATED WIRE TERMINALS This specification is approved for use by all Departments and Agencies of the Department of De
2、fense. 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 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27781D 2 NOTE
3、S: 1. Dimensions are inches. Metric equivalents are given for general information only. 2. Unless otherwise specified, tolerance is .020 (0.51 mm) for two place decimals and .005 (0.13 mm) for three place decimals. 3. For hardware detail specifications see appendix of MIL-DTL-3950. 4. Contact instal
4、ling/ removal tool in accordance with MIL-I-81969/14-03. 5. Grommet sealing plug, in accordance with MS27488A16. 6. Terminal shall adequately accept a wire contact within dimensional limits of SAE-AS39029/1-102. 7. Direction of internal mechanism movement is opposite to the direction of the toggle m
5、ovement. FIGURE1. Dimensions and configuration Continued REQUIREMENTS Maximum weight is .108 pound. The force required to release the locking mechanism shall be 3 to 5 pounds. Locking arrangement: Positive locking shall be accomplished and shall prevent motion of the toggle movement The locking mean
6、s 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 humidity test. The sealing grommet shall seal on a smooth wire insulation of .068 (1.73 mm) to .103 (2.62 mm) diameters. The terminal end of switch shal
7、l be color coded blue to indicate contact size. Sealing plugs may be used in nonfunctional grommet holes. Electrical rating: See table I. 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 .635 16.13 .060 1.52 1.05 26.7 .076 1.93 1.140 28.96 .38 9.7 1.270 32.2
8、6 .42 10.7 1.662 42.21 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27781D 3 FIGURE 2 . Locking Combinations. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27781D 4 TABLE I: Detail Requiremen
9、ts Test Requirements a) During all tests. Switches shall be fully wired with appropriate wire and terminal contacts. b) Contact voltage drop- the contact 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
10、other wire contacts. MS Part No. Available Locking combinations Circuit with Toggle Lever In Current capacity (amperes) 28 volts DC Current capacity(amperes) 115 volts, 60 and 400 Hertz AC Keying side Center Opposite keying side Lamp Load circuit Resistive circuit Inductive circuit Lamp- Load circui
11、t Resistive circuit Inductive circuit MS27781-21 ALL 1-2 ON OFF 2-3 ON 5 20 15 3 15 10 MS27781-22 D, F, G OFF NONE 2-3 ON MS27781-23 D,F,G 1-2 ON NONE 2-3 ON MS27781-24 E,F,K,M NONE OFF 2-3 ON MS27781-25 F NONE MOM OFF 2-3 ON 4 15 10 2 15 7 MS27781-26 F 1-2 MOM. ON NONE 2-3 ON MS27781-27 E,L,N 1-2 M
12、OM. ON OFF 2-3 MOM ON MS27781-28 E 1-2 MOM ON OFF NONE MS27781-29 F MOM OFF NONE 2-3 ON MS27781-30 F 1-2 MOM OFF NONE OFF MS27781-31 E,F,K,L,M,N 1-2 MOM ON OFF 2-3 ON MS27781-32 E NONE ON 1-2 2-3 MOM ON MS27781-33 E,F,K,M NONE ON 1-2 2-3 ON 5 20 15 3 15 10 Provided by IHSNot for ResaleNo reproductio
13、n or networking permitted without license from IHS-,-,-MS27781D 5 Referenced documents MIL-DTL-3950 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 Air Forc
14、e 85 (Project 5930-2011-062) DLA CC Review activities Army AR, AV, MI 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 https:/assist.daps.dla.mil/ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
