5905-01-260-5241 RESISTOR,VARIABLE,WIRE WOUND,PRE Index 5310-01-260-5243 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5905-01-260-5242

Federal Supply Class:
5905

National Item Identification Number:
012605242

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:
7216R20KL0.2573138BI TECHNOLOGIES CORPORATION
KEJ338D02750EATON AEROSPACE LLC
KEJ338D06RP6DRS NAVAL POWER SYSTEMS INC
L0378816236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
LO378816236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)


Techincal Specification:
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION3600.0 MINIMUM
ELECTRICAL RESISTANCE PER SECTION20.0 KILOHMS SINGLE SECTION
ACTUATOR TYPESINGLE SHAFT
ACTUATOR TRAVEL CONTROL FEATURESTOPS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER40.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER85.0 SINGLE SECTION
BODY DIAMETER0.875 INCHES NOMINAL
BODY LENGTH1.448 INCHES MINIMUM AND 1.466 INCHES MAXIMUM
BODY STYLECYLINDRICAL BUSHING MOUNTED
CRITICALITY CODE JUSTIFICATIONZZZY
CUBIC MEASURE1.122 CUBIC INCHES
FEATURES PROVIDEDHUMIDITY PROOF
FRAGILITY FACTORMODERATELY RUGGED
FUNCTION CHARACTERISTIC PER SECTIONSINGLE SECTION LINEAR
FUNCTION CONFORMITY PER SECTIONSINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.25 TO 0.25 SINGLE SECTION
LATERAL RUNOUT0.003 INCHES
MAXIMUM RUNNING TORQUE0.60 INCH-OUNCES
MAXIMUM STARTING TORQUE0.60 INCH-OUNCES
MAXIMUM STOP TORQUE128.00 INCH-OUNCES
MOUNTING BUSHING LENGTH0.375 INCHES NOMINAL
MOUNTING METHODSTANDARD BUSHING
PILOT DIAMETER RUNOUT0.001 INCHES
POWER DISSIPATION RATING PER SECTION IN WATTS1.5 FREE AIR SINGLE SECTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP
RELIABILITY INDICATORNOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT-3.0 TO 3.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG3600.0 MINIMUM
SCREW THREAD DIAMETER0.375 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH32.0
SCREW THREAD SERIES DESIGNATORUNEF
SECTION QUANTITY1
SHAFT BEARING TYPESLEEVE
SHAFT END PLAY0.0085 INCHES
SHAFT DIAMETER0.250 INCHES NOMINAL
SHAFT RADIAL PLAY0.003 INCHES
SHAFT RUNOUT0.0005 INCHES
SHAFT STYLEROUND
SHAFT LENGTH0.812 INCHES NOMINAL
SPECIAL FEATURESITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO3788
TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS+0.0 TO 130.0 SINGLE SECTION
TERMINAL LOCATIONLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY3 TURRET


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