5985-00-312-1335 ATTENUATOR,VARIABLE Index 5985-00-316-2610 WAVEGUIDE ASSEMBLY

National Stock Number:
5985-00-313-2436

Federal Supply Class:
5985

National Item Identification Number:
003132436

Description:
ATTENUATOR,VARIABLE

Detail:
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).


Manufacturer Information:
2920019-00110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
562060-156232LOCKHEED MARTIN CORPORATION
AU25K5NASD12457MERRIMAC INDUSTRIES INC


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SHAFT
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION VARIATION METHODCONTINUOUS
BODY STYLECOAXIAL TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.812 INCHES NOMINAL
COAXIAL CONNECTOR SERIES DESIGNATIONN
FREQUENCY RANGE400.000 MEGAHERTZ MINIMUM AND 5900.000 MEGAHERTZ MAXIMUM
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS0.5
OVERALL ATTENUATION ACCURACY IN DECIBELS-0.25 TO 0.25
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 30.0
OVERALL HEIGHT3.750 INCHES NOMINAL
OVERALL LENGTH4.250 INCHES NOMINAL
OVERALL WIDTH1.000 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
POWER RATING4.0 WATTS AVERAGE
SHAFT DIAMETER0.250 INCHES NOMINAL
SHAFT LENGTH0.480 INCHES NOMINAL
SHAFT TYPEROUND, SLOTTED
UNTHREADED MOUNTING HOLE DIAMETER0.140 INCHES NOMINAL
VOLTAGE STANDING WAVE RATIO1.35
TERMINAL TYPE AND QUANTITY1 CONNECTOR, COAXIAL, MALE AND 1 CONNECTOR, COAXIAL, FEMALE


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