5905-00-651-1641 RESISTOR,VARIABLE,WIRE WOUND,NON Index 5905-00-651-1643 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
5905-00-651-1642

Federal Supply Class:
5905

National Item Identification Number:
006511642

Description:
RESISTOR,VARIABLE,WIRE WOUND,PRE

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) of the output is equal to or less than plus or munus 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, NONWIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND, PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, NONPRECISION.


Manufacturer Information:
67-32356232LOCKHEED MARTIN CORPORATION


Techincal Specification:
SECTION QUANTITY4
ELECTRICAL RESISTANCE PER SECTION25.000 KILOHMS 1ST SECTION
25.000 KILOHMS 2ND SECTION
25.000 KILOHMS 3RD SECTION
39.200 KILOHMS 4TH SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT-5.0 TO 5.0 ALL SECTIONS
FUNCTION CONFORMITY PER SECTIONALL SECTIONS ABSOLUTE LINEARITY
FUNCTION CHARACTERISTIC PER SECTIONALL SECTIONS LINEAR
FUNCTION CONFORMITY TOLERANCE PER SECTION-1.00 TO 1.00 1ST SECTION
-1.00 TO 1.00 2ND SECTION
-1.00 TO 1.00 3RD SECTION
-0.25 TO 0.25 4TH SECTION
SHAFT RUNOUT0.001 INCHES
LATERAL RUNOUT0.002 INCHES
PILOT DIAMETER RUNOUT0.00200 INCHES
SHAFT RADIAL PLAY0.002 INCHES
SHAFT BEARING TYPEBALL
SHAFT END PLAY0.00500 INCHES
MAXIMUM STARTING TORQUE2.80 INCH-OUNCES
MAXIMUM RUNNING TORQUE2.00 INCH-OUNCES
TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS-20.0 TO 20.0 ALL SECTIONS
POWER DISSIPATION RATING PER SECTION IN WATTS2.0 FREE AIR SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER40.0 ALL SECTIONS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER150.0 ALL SECTIONS
FIXED TAP QUANTITY PER SECTION1 1ST SECTION
1 2ND SECTION
TAP LOCATION FROM CCW TERMINAL PER SECTION IN DEG OF EFFECTIVE ELECTRICAL ROTATION180.0 1ST SECTION
180.0 2ND SECTION
TAP LOCATION TOLERANCE PER SECTION-1.0 TO 1.0 DEG ANGULAR ROTATION 1ST SECTION
-1.0 TO 1.0 DEG ANGULAR ROTATION 2ND SECTION
BODY STYLECYLINDRICAL SERVO MOUNTED
PILOT DIAMETER1.3120 INCHES NOMINAL
PILOT LENGTH0.0620 INCHES NOMINAL
UNDERCUT DIAMETER1.062 INCHES NOMINAL
UNDERCUT WIDTH0.0930 INCHES NOMINAL
BODY DIAMETER1.453 INCHES MAXIMUM
BODY LENGTH2.660 INCHES MAXIMUM
MOUNTING LIP DIAMETER1.4530 INCHES MAXIMUM
MOUNTING LIP DEPTH0.0730 INCHES MINIMUM
ACTUATOR TYPEDOUBLE ENDED SHAFT
SHAFT STYLEROUND, SLOTTED
SHAFT DIAMETER0.250 INCHES NOMINAL
SHAFT LENGTH0.688 INCHES NOMINAL
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG360.0 NOMINAL
ACTUATOR TRAVEL CONTROL FEATURECONTINUOUS MOTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION360.0 NOMINAL
MOUNTING METHODCLAMP RING
TERMINAL TYPE AND QUANTITY14 TURRET
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
RELIABILITY INDICATORNOT ESTABLISHED


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