NSN 5985-01-369-1858

Part Details | VARIABLE ATTENUATOR

5985-01-369-1858 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: 27136, 1206653, 1206653, 5829476, 5985-01-369-1858, 01-369-1858, 5985013691858, 013691858

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59DEC 17, 199201-369-185800838 ( ATTENUATOR, VARIABLE )
REFERENCE DRAWINGS & PICTURES

COAXIAL TYPE

Cross Reference | NSN 5985-01-369-1858
Part Number Cage Code Manufacturer
2713699899L3 TECHNOLOGIES, INC.DBA NARDA MICROWAVE EAST
120665356232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
120665302769LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
582947653711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5985-01-369-1858
Characteristic Specifications
APPLICATION DESIGN TRANSMISSION LINE
FREQUENCY RANGE7.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
VOLTAGE STANDING WAVE RATIO1.70
POWER RATING5.0 WATTS AVERAGE AND 3.0 KILOWATTS PEAK
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS0.5
OVERALL ATTENUATION RANGE IN DECIBELSP20.0/P25.0
ATTENUATION VARIATION METHOD CONTINUOUS
BODY STYLE COAXIAL TYPE
OVERALL LENGTH2.250 INCHES NOMINAL
OVERALL HEIGHT1.750 INCHES NOMINAL
OVERALL WIDTH1.750 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SLOTTED SCREW
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE
COAXIAL CONNECTOR SERIES DESIGNATION NPM
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR UNC
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.086 INCHES
MOUNTING THREAD QUANTITY56 PER INCH
MOUNTING FACILITY PATTERN FOUR POSITION RECTANGULAR
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.625 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.875 INCHES NOMINAL