Part Details | VARIABLE ATTENUATOR
5985-01-039-4651 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).
Alternate Parts: 201069551, 20-106955-1, RA582, 5985-01-039-4651, 01-039-4651, 5985010394651, 010394651
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | APR 21, 1977 | 01-039-4651 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
COAXIAL TYPE
Cross Reference | NSN 5985-01-039-4651
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20-106955-1 | 04655 | GENERAL DYNAMICS MISSION SYSTEMS,INC. |
| RA582 | 23042 | TRILITHIC, INC. |
Technical Data | NSN 5985-01-039-4651
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| POWER RATING | 500.0 MILLIWATTS AVERAGE AND 1.0 KILOWATTS PEAK |
| OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P85.0 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 2 |
| ATTENUATION PER STEP IN DECIBELS | B0.0$$B40.0$$B85.0 |
| BODY STYLE | COAXIAL TYPE |
| OVERALL LENGTH | 3.690 INCHES NOMINAL |
| OVERALL HEIGHT | 2.590 INCHES NOMINAL |
| OVERALL WIDTH | 1.880 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| SHAFT TYPE | ROUND |
| SHAFT DIAMETER | 0.250 INCHES NOMINAL |
| SHAFT LENGTH | 0.750 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |
| MOUNTING THREAD QUANTITY | 32 PER INCH |
| MOUNTING FACILITY PATTERN | TWO POSITION IN-LINE |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.125 INCHES NOMINAL |
| OPERATING TEMP RANGE | -20.0 TO +125.0 DEG CELSIUS |