Part Details | VARIABLE ATTENUATOR
5985-00-250-4020 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: 1559, A17528B, A1752-8B, 5985-00-250-4020, 00-250-4020, 5985002504020, 002504020
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | JAN 01, 1963 | 00-250-4020 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
T

Cross Reference | NSN 5985-00-250-4020
Part Number | Cage Code | Manufacturer |
---|---|---|
1559 | 28057 | SHALLCO, INC. |
A1752-8B | 28057 | SHALLCO, INC. |
Technical Data | NSN 5985-00-250-4020
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | AUDIO |
SCHEMATIC DIAGRAM DESIGNATOR | "T" |
FREQUENCY RANGE | 0.000 KILOHERTZ MINIMUM AND 20.000 KILOHERTZ MAXIMUM |
IMPEDANCE RATING IN OHMS | 15.0 INPUT-OUTPUT |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P30.0 |
ATTENUATION VARIATION METHOD | STEPPED |
STEP POSITION QUANTITY | 10 |
ATTENUATION PER STEP IN DECIBELS | 3.0 |
BUSHING LENGTH | 0.500 INCHES NOMINAL |
OVERALL DIAMETER | 2.250 INCHES NOMINAL |
TERMINAL TYPE AND QUANTITY | 3 TAB, SOLDER LUG |
MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING |
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNEF |
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.375 INCHES |
MOUNTING THREAD QUANTITY | 32 PER INCH |