5905-00-778-7886 RESISTOR,VARIABLE,WIRE WOUND,PRE Index 5950-00-778-7888 TRANSFORMER,POWER

National Stock Number:
5905-00-778-7887

Federal Supply Class:
5905

National Item Identification Number:
007787887

Description:
RESISTOR,VARIABLE,WIRE WOUND,NON

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 of 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, NONWIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND, PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, PRECISION.


Manufacturer Information:
171362810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION3600.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION2.500 KILOHMS ALL SECTIONS
ACTUATOR TRAVEL CONTROL FEATURECLUTCH
ACTUATOR TYPESINGLE SHAFT
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER50.0 ALL SECTIONS
ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG120.0
ANGLE OF MOUNTING HOLE IN DEG90.0
BODY DIAMETER2.000 INCHES NOMINAL
BODY LENGTH4.312 INCHES MAXIMUM
BODY STYLECYLINDRICAL SERVO MOUNTED
FUNCTION CHARACTERISTIC PER SECTIONALL SECTIONS LINEAR
FUNCTION CONFORMITY PER SECTIONALL SECTIONS INDEPENDENT LINEARITY
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.50 TO 0.50 ALL SECTIONS
LATERAL RUNOUT0.006 INCHES
MAXIMUM RUNNING TORQUE1.80 INCH-OUNCES
MAXIMUM STARTING TORQUE2.60 INCH-OUNCES
MOUNTING FACILITY QUANTITY3
MOUNTING HOLE/STUD CIRCLE DIAMETER1.250 INCHES NOMINAL
MOUNTING LIP DEPTH0.0620 INCHES NOMINAL
MOUNTING LIP DIAMETER1.8750 INCHES MAXIMUM
MOUNTING METHODTHREADED HOLE
PILOT DIAMETER RUNOUT0.00150 INCHES
PILOT DIAMETER0.7500 INCHES MAXIMUM
PILOT LENGTH0.0620 INCHES NOMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS1.75 FREE AIR 1ST SECTION
POWER DISSIPATION RATING PER SECTION IN WATTS4.0 FREE AIR 2ND SECTION
RELIABILITY INDICATORNOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT-10.0 TO 10.0 ALL SECTIONS
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG3600.0 NOMINAL
SCREW THREAD DIAMETER0.164 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH32.0
SCREW THREAD SERIES DESIGNATORUNC
SECTION QUANTITY2
SHAFT END PLAY0.00500 INCHES
SHAFT BEARING TYPEBALL
SHAFT DIAMETER0.2494 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM
SHAFT LENGTH0.625 INCHES NOMINAL
SHAFT RADIAL PLAY0.002 INCHES
SHAFT RUNOUT0.001 INCHES
SHAFT STYLEROUND
TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS-20.0 TO 20.0 ALL SECTIONS
TERMINAL LOCATIONLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG
UNDERCUT DIAMETER1.812 INCHES NOMINAL
UNDERCUT WIDTH0.0620 INCHES NOMINAL


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