5985-00-875-1002 HOLDER,SPARK GAP Index 5975-01-245-3205 BASE,CHASSIS

National Stock Number:
5985-00-881-9391

Federal Supply Class:
5985

National Item Identification Number:
008819391

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:
2831457-210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.250 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SHAFT
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION ACCURACY REFERENCE FREQUENCY100.0 MEGAHERTZ
ATTENUATION PER STEP IN DECIBELS10.0
ATTENUATION VARIATION METHODSTEPPED
BODY STYLECOAXIAL TYPE
COAXIAL CONNECTOR SERIES DESIGNATIONBNC
FIRST FLAT LENGTH0.300 INCHES NOMINAL
FLAT HEIGHT0.215 INCHES NOMINAL
FREQUENCY RANGE10.000 MEGAHERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS0.3
OPERATING TEMP RANGE-0.0 TO 70.0 DEG CELSIUS
OVERALL ATTENUATION ACCURACY IN DECIBELS-0.09 TO 0.09
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 100.0
OVERALL HEIGHT3.848 INCHES NOMINAL
OVERALL LENGTH3.670 INCHES NOMINAL
OVERALL WIDTH3.130 INCHES NOMINAL
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.164 INCHES
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNC
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE
MOUNTING THREAD QUANTITY32 PER INCH
SHAFT DIAMETER0.250 INCHES NOMINAL
SHAFT TYPEROUND, FLATTED
SHAFT LENGTH1.170 INCHES NOMINAL
POWER RATING400.0 MILLIWATTS AVERAGE
VOLTAGE STANDING WAVE RATIO1.25
STEP POSITION QUANTITY10
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE


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