Part Details | VARIABLE ATTENUATOR
5985-00-239-0475 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: 2135806G1, AUM25A802203, 5985-00-239-0475, 00-239-0475, 5985002390475, 002390475
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | NOV 05, 1969 | 00-239-0475 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
COAXIAL TYPE

Cross Reference | NSN 5985-00-239-0475
Part Number | Cage Code | Manufacturer |
---|---|---|
2135806G1 | 28527 | HARRIS CORPORATIONDBA ELECTRONIC SYSTEMS, INTEGRATED |
AUM25A802203 | 12457 | MERRIMAC INDUSTRIES, INC. |
Technical Data | NSN 5985-00-239-0475
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | TRANSMISSION LINE |
FREQUENCY RANGE | 500.000 MEGAHERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM |
IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
POWER RATING | 2.0 WATTS AVERAGE |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.5/P1.0 |
ATTENUATION VARIATION METHOD | CONTINUOUS |
BODY STYLE | COAXIAL TYPE |
OVERALL LENGTH | 3.500 INCHES NOMINAL |
OVERALL HEIGHT | 1.218 INCHES NOMINAL |
OVERALL WIDTH | 0.500 INCHES NOMINAL |
ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
SHAFT TYPE | ROUND, SLOTTED |
SHAFT DIAMETER | 0.094 INCHES NOMINAL |
SHAFT LENGTH | 0.219 INCHES NOMINAL |
TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
UNTHREADED MOUNTING HOLE DIAMETER | 0.090 INCHES NOMINAL |