5905-01-291-7660 RESISTOR,FIXED,WIRE WOUND,NONIND Index 5905-01-291-7662 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
5905-01-291-7661

Federal Supply Class:
5905

National Item Identification Number:
012917661

Description:
RESISTOR,VARIABLE,HYBRID

Detail:
A RESISTOR IN WHICH A SLIDING OR ROLLING CONTACT MOVES OVER AN EXPOSED AREA OF THE RESISTIVE ELEMENT. UNIFORM CONTACT PRESSURE ON THE RESISTANCE ELEMENT IS MAINTAINED BY POSITIVE PRESSURE TO PERMIT SMOOTH ELECTRICAL AND MECHANICAL CONTROL OF THE RESISTOR OVER THE ENTIRE RESISTANCE RANGE. THE RESISTIVE ELEMENT IS CONSTRUCTED OF A COMBINATION OF TWO MATERIALS USUALLY CONSISTING OF A WIREWOUND ELEMENT WITH A COATING OF CONDUCTIVE PLASTIC APPLIED OVER THE RESISTANCE WIRE WHERE THE SLIDER MAKES CONTACT. MAY BE CONSTRUCTED OF A SINGLE OR MULTITURNS OF WIRE SUPPORTED ON AN INSULATING STRUCTURE ON WHICH THE WIPER CONTACTS THE COATED WIRE CONTINUOUSLY IN THE DIRECTION OF WIPER TRAVEL. THE OPPOSITION TO THE FLOW OF CURRENT IS AN INHERENT PROPERTY OF THE WIRE USED AND IS MANIFESTED IN THE HEAT DISSIPATED IN THE RESISTOR ITSELF. 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 OTHER RESISTOR (1), VARIABLE, (AS MODIFIED).


Manufacturer Information:
4200-574-111534BEI SENSORS & SYSTEMS COMPANY, INC.
4200-574-211534BEI SENSORS & SYSTEMS COMPANY, INC.
MH20S-3110-2K0YA89ETI SYSTEMS INC DIV OF POLARIS INDUSTRIAL ENTERPRISES
4200-574-311534BEI SENSORS & SYSTEMS COMPANY, INC.
9E146125805TRANSICOIL LLC
9E146182686TRANSICOIL LLC


Techincal Specification:
SECTION QUANTITY1
ELECTRICAL RESISTANCE PER SECTION2.0 KILOHMS SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT-5.0 TO 5.0 SINGLE SECTION
FUNCTION CONFORMITY PER SECTIONSINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CHARACTERISTIC PER SECTIONSINGLE SECTION LINEAR
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.25 TO 0.25 SINGLE SECTION
SHAFT RUNOUT0.0005 INCHES
LATERAL RUNOUT0.0015 INCHES
PILOT DIAMETER RUNOUT0.001 INCHES
SHAFT RADIAL PLAY0.001 INCHES
SHAFT BEARING TYPEBALL
SHAFT END PLAY0.005 INCHES
MAXIMUM STARTING TORQUE0.20 INCH-OUNCES
MAXIMUM RUNNING TORQUE0.15 INCH-OUNCES
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS-70.0 TO 70.0 SINGLE SECTION
POWER DISSIPATION RATING PER SECTION IN WATTS1.5 FREE AIR SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER60.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 SINGLE SECTION
BODY STYLECYLINDRICAL SERVO MOUNTED
PILOT DIAMETER0.6245 INCHES MINIMUM AND
0.6250 INCHES MAXIMUM
PILOT LENGTH0.0570 INCHES MINIMUM AND
0.0670 INCHES MAXIMUM
UNDERCUT DIAMETER0.781 INCHES MAXIMUM
UNDERCUT WIDTH0.0570 INCHES MINIMUM AND
0.0670 INCHES MAXIMUM
BODY DIAMETER0.870 INCHES MINIMUM AND
0.880 INCHES MAXIMUM
BODY LENGTH1.080 INCHES MAXIMUM
MOUNTING LIP DIAMETER0.8700 INCHES MINIMUM AND
0.8800 INCHES MAXIMUM
MOUNTING LIP DEPTH0.0570 INCHES MINIMUM AND
0.0670 INCHES MAXIMUM
ACTUATOR TYPESINGLE SHAFT
SHAFT STYLEROUND
SHAFT DIAMETER0.1245 INCHES MINIMUM AND
0.1248 INCHES MAXIMUM
SHAFT LENGTH0.220 INCHES MINIMUM AND
0.282 INCHES MAXIMUM
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG1080.0 MINIMUM AND
1084.0 MAXIMUM
ACTUATOR TRAVEL CONTROL FEATURECONTINUOUS MOTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION1080.0 MINIMUM AND
1084.0 MAXIMUM
MOUNTING METHODCLAMP RING
FEATURES PROVIDEDHUMIDITY PROOF
TERMINAL TYPE AND QUANTITY3 TURRET
TERMINAL LOCATIONLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE
RELIABILITY INDICATORNOT ESTABLISHED
CUBIC MEASURE0.656 CUBIC INCHES
FRAGILITY FACTORMODERATELY RUGGED


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