NSN 5985-01-323-4931
Part Details | VARIABLE ATTENUATOR
5985-01-323-4931 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: 6274811, 627481-1, MA149, MA-149, 5985-01-323-4931, 01-323-4931, 5985013234931, 013234931
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | JUL 28, 1990 | 01-323-4931 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
IRREGULAR
Cross Reference | NSN 5985-01-323-4931
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 627481-1 | 37695 | RAYTHEON COMPANYDBA RAYTHEON |
| MA-149 | 37695 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5985-01-323-4931
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | PRINTED CIRCUIT BOARD |
| FREQUENCY RANGE | 360.000 HERTZ MINIMUM AND 440.000 HERTZ MAXIMUM |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 5 |
| BODY STYLE | IRREGULAR |
| OVERALL LENGTH | 2.130 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.000 INCHES NOMINAL |
| OVERALL WIDTH | 1.500 INCHES MAXIMUM |
| TERMINAL TYPE AND QUANTITY | 5 TAB, SOLDER LUG |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.112 INCHES |
| MOUNTING THREAD QUANTITY | 40 PER INCH |
| MOUNTING FACILITY PATTERN | TWO POSITION DIAGONAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM |
| SPECIAL FEATURES | THIS DEVICE REQUIRES SPECIAL HANDLING AND PROCESSING TO PREVENT DAMAGE FROM ELECTROSTATIC DISCHARGE TRANSIENTS |
| TEST DATA DOCUMENT | 81349-MIL-STD-202 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| CRITICALITY CODE JUSTIFICATION | FEAT |