1、AMSC N/A FSC 5985 MIL-DTL-83739/1D 2 December 2013 SUPERSEDING MIL-DTL-83739/1C 19 November 2009 DETAIL SPECIFICATION SHEET SWITCH, ANTENNA, RADIO FREQUENCY, SOLID-STATE, SA-1474A/A This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements
2、for acquiring the switch described herein shall consist of this specification sheet and MIL-DTL-83739. FIGURE 1. Dimensions and configuration. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83739/1D 2 NOTES: 1. Dimensions are in i
3、nches. 2. Metric equivalents (to the nearest 0.01 mm) are given for general information only and are based upon 1 inch = 25.4 mm. 3. Unless otherwise specified, tolerances are .03 inch (0.76 mm) for two place decimals and .010 inch (0.25 mm) for three place decimals. 4. The upper and lower surface o
4、f this area is not to be painted. 5. The spring shall be strong enough to hold the bolt free when disengaged from mounting plate. FIGURE 1. Dimensions and configuration - Continued. Ltr Dimensions Inches Millimeters Min Max Min Max A 2.57 2.69 65.3 68.3 B .64 .70 16.3 17.8 C - 3.44 - 87.4 D .927 .94
5、7 23.55 24.05 E .927 .947 23.55 24.05 F .090 .110 2.29 2.79 G .365 .385 9.27 9.78 H .925 .945 23.50 24.00 J 4.13 4.19 104.9 106.4 K .334 .354 8.48 8.99 L .006 .026 0.15 0.66 M 2.97 3.03 75.4 77.0 N .87 .93 22.1 23.6 P .16 .22 4.1 5.6 Q .97 1.03 24.6 26.2 R 1.97 2.03 50.0 51.6 S 2.47 2.53 62.7 64.3 T
6、 3.22 3.28 81.8 83.3 U .425 .445 10.80 11.30 V .178 .198 4.52 5.03 W .115 .135 2.92 3.43 X .865 .885 21.97 22.48 Y .615 .635 15.62 16.13 Z .240 .260 6.10 6.60 AA .428 .448 10.87 11.38 BB .302 .322 7.67 8.18 CC .190-24 UNC 2A 4.83-24 UNC-2A DD .312 DIA x .125 DEEP 7.92 DIA x 3.18 DEEP EE .190-24 UNC
7、2B 4.83-24 UNC-2B Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83739/1D 3 REQUIREMENTS: Dimensions and configuration: See figure 1. Weight: 2 pounds maximum. Finish: Black paint. Mounting: Mounting provisions and mounting holes shall be pr
8、ovided that will interface with mounting plate MT-1948/U covered by AF Drawing 59C12539, NSN 5985-00-788-6960. Configuration: Single pole double throw (1P2T). Sequence: Make-before-break. Remote control: Provision shall be provided to remotely select either RF output on a full time basis by groundin
9、g pins on the power connector. Pin D shall be grounded for remote selection of Ant 1. Pin E shall be grounded for remote selection of Ant 2. No damage shall be caused if pins D and E are grounded simultaneously. Nominal impedance: 50 ohms. Frequency range: 1.02 GHz to 1.1 GHz. Housing: Type E. Switc
10、hing rate: 38 Hz 5 percent. Primary input power: 10 watts max, with the input voltage and frequency at 115 7 volts and 400 20 Hz, respectively. Transition time: Less than 25 microseconds. Voltage standing wave ratio (VSWR): Either output to common terminal: 1.2:1. Transition time: 2.5:1. Isolation (
11、crosstalk): 30 dB minimum between output. Insertion loss: 0.5 dB maximum. RF power handling capability: 1 kilowatt peak pulse power with 1 percent duty cycle into a mismatched load with a VSWR rating of 2:1. MTBF: Design for 10,000 hours, with a guaranteed minimum of 5,000 hours. Temperatures: Opera
12、ting: -55C to +121C. Shock: -40C to +121C. Part or Identifying Number (PIN): M83739/1-01. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83739/1D 4 NOTE: The switch covered by this specification sheet is substitutable for the following comme
13、rcial types: Manufacturers code Commercial type NSN 5985- 82152 74868 96412 80058 22887 70D10100 351-12010 DODA1MS66-358 SA1474/A 001-1012858 00-932-4257 00-932-4257 - 00-932-4257 00-932-4257 Referenced documents. In addition to MIL-DTL-83739, this document references the following: SAE-AS31061 AF D
14、WG 59C12539 Marginal notations are not used on 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 - EC Air Force - 85 (Project 5985-2014-008) DLA - CC Review activities: Army - MI Navy - OS, S
15、H 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.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
