5985-00-919-8621, ATTENUATOR,VARIABLE

National Stock Number:
5985-00-919-8621

Federal Supply Class:
5985

National Item Identification Number:
009198621

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:

10174504

18876

U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

ADJUSTMENT DEVICE TYPE AND QUANTITY	1 SHAFT
APPLICATION DESIGN	WAVEGUIDE
ATTENUATION VARIATION METHOD	CONTINUOUS
BODY STYLE	IRREGULAR
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1.276 INCHES MINIMUM AND 1.284 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH	1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	0.5
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 17.0
OVERALL HEIGHT	1.625 INCHES NOMINAL
OVERALL LENGTH	2.875 INCHES MAXIMUM
OVERALL WIDTH	2.062 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)
SHAFT DIAMETER	0.250 INCHES NOMINAL
SHAFT LENGTH	1.250 INCHES MAXIMUM
SHAFT TYPE	ROUND, SLOTTED
UNTHREADED MOUNTING HOLE DIAMETER	0.188 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY	2 FLANGE

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