4140-00-826-4123 FAN,CIRCULATING Index 5905-00-826-4128 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
5905-00-826-4127

Federal Supply Class:
5905

National Item Identification Number:
008264127

Description:
RESISTOR,VARIABLE,NONWIRE WOUND,

Detail:
A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see RESISTOR, ADJUSTABLE. For items with step by step variation, see RHEOSTAT and RESISTOR, STEP BY STEP. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see ATTENUATOR, VARIABLE. Excludes RESISTOR (1), VARIABLE, WIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, PRECISION.


Manufacturer Information:
576R030H0379500WESTINGHOUSE ELECTRIC CORP
576R030H0397942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION312.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION100.0 KILOHMS 1ST SECTION AND 250.0 KILOHMS 2ND SECTION
ACTUATOR TRAVEL CONTROL FEATURESTOPS
ACTUATOR TYPEDUAL CONCENTRIC
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER70.0 ALL SECTIONS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER150.0 ALL SECTIONS
BODY DIAMETER1.160 INCHES MAXIMUM
BODY LENGTH1.320 INCHES MAXIMUM
BODY STYLECYLINDRICAL BUSHING MOUNTED
DEVICE DESIGN TYPENONTURN AT 9 OCLOCK
OVERALL DIAMETER1.760 INCHES NOMINAL
OVERALL LENGTH2.960 INCHES MAXIMUM
MAXIMUM RUNNING TORQUE6.00 INCH-OUNCES
MAXIMUM STARTING TORQUE6.00 INCH-OUNCES
MAXIMUM STOP TORQUE192.00 INCH-OUNCES
MECHANICAL BACKLASH IN DEG ANGULAR ROTATION3.0
MOUNTING BUSHING LENGTH0.380 INCHES NOMINAL
MOUNTING METHODSTANDARD BUSHING
NONTURN DEVICE RADIUS0.531 INCHES NOMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS3.0 FREE AIR ALL SECTIONS
RELIABILITY INDICATORNOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT-20.0 TO 20.0 ALL SECTIONS
RESISTANCE TEMP CHARACTERISTIC RANGE PER SECTION IN PERCENT+0.0 TO 8.0 -55 DEG CELSIUS ALL SECTIONS AND +0.0 TO 4.0 -25 DEG CELSIUS ALL SECTIONS AND +0.0 TO 2.0 0 DEG CELSIUS ALL SECTIONS AND -3.0 TO 3.0 85 DEG CELSIUS ALL SECTIONS AND +0.0 TO 6.0 120 DEG CELSIUS ALL SECTIONS AND +0.0 TO 10.5 150 DEG CELSIUS ALL SECTIONS
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG312.0 NOMINAL
SCREW THREAD DIAMETER0.375 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH32.0
SCREW THREAD SERIES DESIGNATORUNEF
SECTION QUANTITY2
SHAFT DIAMETER0.250 INCHES NOMINAL
SHAFT BEARING TYPESLEEVE
SHAFT LENGTH1.000 INCHES NOMINAL
SHAFT STYLEROUND, STEPPED
SPECIAL FEATURESINNER SHAFT FLAT DIMENSIONS; 0.080 INCHES HEIGHT NOMINAL; 0.220 INCHES LENGTH NOMINAL
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG
UNDERCUT DIAMETER0.125 INCHES NOMINAL
UNDERCUT LENGTH0.220 INCHES NOMINAL


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