1270-00-137-8486 CRANKSHAFT,DRIVE AS Index 1240-00-137-8488 WINDOW,OPTICAL INSTRUMENT

National Stock Number:
5905-00-137-8487

Federal Supply Class:
5905

National Item Identification Number:
001378487

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:
648575-196214RAYTHEON COMPANY


Techincal Specification:
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION354.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION1.000 KILOHMS SINGLE SECTION
ACTUATOR TRAVEL CONTROL FEATURECONTINUOUS MOTION
ACTUATOR TYPEDOUBLE ENDED SHAFT
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 DIAMETER0.875 INCHES NOMINAL
BODY LENGTH0.780 INCHES NOMINAL
BODY STYLECYLINDRICAL SERVO MOUNTED
FIXED TAP QUANTITY PER SECTION1 SINGLE SECTION
FUNCTION CONFORMITY PER SECTIONSINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.50 TO 0.50 SINGLE SECTION
FUNCTION CHARACTERISTIC PER SECTIONSINGLE SECTION LINEAR
LATERAL RUNOUT0.002 INCHES
OVERALL LENGTH1.810 INCHES NOMINAL
MAXIMUM RUNNING TORQUE0.10 INCH-OUNCES
MAXIMUM STARTING TORQUE0.10 INCH-OUNCES
MOUNTING METHODCLAMP RING
MOUNTING LIP DEPTH0.0620 INCHES NOMINAL
MOUNTING LIP DIAMETER0.8750 INCHES NOMINAL
PILOT DIAMETER RUNOUT0.00150 INCHES
PILOT DIAMETER0.7190 INCHES NOMINAL
PILOT LENGTH0.0620 INCHES NOMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS1.2 FREE AIR SINGLE SECTION
RELIABILITY INDICATORNOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT-5.0 TO 5.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG360.0 NOMINAL
SECTION QUANTITY1
SHAFT DIAMETER0.125 INCHES NOMINAL
SHAFT BEARING TYPEBEARING
SHAFT LENGTH0.560 INCHES NOMINAL
SHAFT END PLAY0.00250 INCHES
SHAFT RADIAL PLAY0.002 INCHES
SHAFT RUNOUT0.001 INCHES
SHAFT STYLEROUND
SPECIAL FEATURESW/SPUR GEAR
UNDERCUT DIAMETER0.750 INCHES NOMINAL
UNDERCUT WIDTH0.0620 INCHES NOMINAL
TAP LOCATION FROM CCW TERMINAL PER SECTION IN OHMS500.0 SINGLE SECTION
TAP LOCATION TOLERANCE PER SECTION-2.0 TO 2.0 OHMS SINGLE SECTION
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS-70.0 TO 70.0 SINGLE SECTION
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY4 TURRET


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