Part Details | VARIABLE ATTENUATOR
5985-00-188-8163 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: N182, 205053, 415176, 23877, 5985-00-188-8163, 00-188-8163, 5985001888163, 001888163
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | DEC 19, 1971 | 00-188-8163 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
COAXIAL TYPE

Cross Reference | NSN 5985-00-188-8163
Part Number | Cage Code | Manufacturer |
---|---|---|
N182 | 11332 | GENERAL MICROWAVE CORPORATION |
205053 | 99899 | L3 TECHNOLOGIES, INC.DBA NARDA MICROWAVE EAST |
415176 | 99899 | L3 TECHNOLOGIES, INC.DBA NARDA MICROWAVE EAST |
23877 | 99899 | L3 TECHNOLOGIES, INC.DBA NARDA MICROWAVE EAST |
Technical Data | NSN 5985-00-188-8163
Characteristic | Specifications |
---|---|
APPLICATION DESIGN | TRANSMISSION LINE |
FREQUENCY RANGE | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
VOLTAGE STANDING WAVE RATIO | 1.60 |
POWER RATING | 2.0 WATTS AVERAGE |
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.8 |
OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P120.0 |
OVERALL ATTENUATION ACCURACY IN DECIBELS | M1.00/P1.00 |
SEGMENT ATTENUATION RANGE IN DECIBELS | FP0.00/P10.00$$FP10.00/P20.00$$FP20.00/P30.00$$FP30.00/P40.00$$FP40.00/P50.00$$FP50.00/P60.00$$FP60.00/P70.00$$FP70.00/P80.00$$FP80.00/P90.00$$FP90.00/P100.00$$FP100.00/P110.00$$FP110.00/P120.00 |
SEGMENT ATTENUATION ACCURACY IN DECIBELS | FM0.60/P0.60$$FM0.80/P0.80$$FM1.00/P1.00$$FM1.10/P1.10$$FM1.30/P1.30$$FM1.50/P1.50$$FM2.10/P2.10$$FM2.30/P2.30$$FM2.50/P2.50$$FM3.00/P3.00$$FM3.30/P3.30$$FM3.60/P3.60 |
ATTENUATION VARIATION METHOD | STEPPED |
STEP POSITION QUANTITY | 12 |
ATTENUATION PER STEP IN DECIBELS | 10.0 |
BODY STYLE | COAXIAL TYPE |
OVERALL LENGTH | 6.812 INCHES NOMINAL |
OVERALL HEIGHT | 3.767 INCHES NOMINAL |
OVERALL WIDTH | 5.249 INCHES NOMINAL |
ADJUSTMENT DEVICE TYPE AND QUANTITY | 2 KNOB |
TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
COAXIAL CONNECTOR SERIES DESIGNATION | N |
MOUNTING FACILITY TYPE AND QUANTITY | 8 THREADED HOLE |
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.138 INCHES |
MOUNTING THREAD QUANTITY | 32 PER INCH |
SCALE LINEARITY | LINEAR |