Part Details | VARIABLE ATTENUATOR
5985-00-257-5008 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: 568450Z, 5684-50Z, 5684502, 5684-502, 104053, 5985-00-257-5008, 00-257-5008, 5985002575008, 002575008
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | MAR 19, 1971 | 00-257-5008 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
COAXIAL TYPE

Cross Reference | NSN 5985-00-257-5008
Part Number | Cage Code | Manufacturer |
---|---|---|
5684-50Z | 09992 | ARRA INC |
5684-502 | 09992 | ARRA INC |
104053 | 99380 | SIERRA NETWORKS INCSIERRACOM DIV |
Technical Data | NSN 5985-00-257-5008
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | TRANSMISSION LINE |
FREQUENCY RANGE | 4.000 GIGAHERTZ MINIMUM AND 7.000 GIGAHERTZ MAXIMUM |
VOLTAGE STANDING WAVE RATIO | 1.50 |
POWER RATING | 10.0 WATTS AVERAGE |
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P50.0 |
ATTENUATION VARIATION METHOD | CONTINUOUS |
BODY STYLE | COAXIAL TYPE |
OVERALL LENGTH | 3.750 INCHES MAXIMUM |
OVERALL HEIGHT | 2.344 INCHES MINIMUM AND 2.468 INCHES MAXIMUM |
OVERALL WIDTH | 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM |
ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
MOUNTING FACILITY TYPE AND QUANTITY | 3 THREADED HOLE |
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.138 INCHES |
MOUNTING THREAD QUANTITY | 32 PER INCH |
MOUNTING FACILITY PATTERN | THREE POSITION CIRCULAR |
BOLT CIRCLE DIAMETER | 2.250 INCHES NOMINAL |
SPECIFICATION/STANDARD DATA | 99380-104053 MANUFACTURERS SOURCE CONTROL |
SCALE LINEARITY | NONLINEAR |
SCALE DIVISION QUANTITY | 50 |
FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |