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National Stock Number:
5905-00-984-8970
Federal Supply Class:
5905
National Item Identification Number:
009848970
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.
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Manufacturer Information:
| 122-83 | 02111 | VISHAY SPRAGUE INC | | 3321-441 | 90073 | CMC ELECTRONICS INC | | 741M20000 | 12205 | BUNKER RAMO CORP AMPHENOL CONTROLS DIV | | 741M20000 | 19176 | SERVO INSTRUMENT CORPORATION |
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Techincal Specification:
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 360.0 NOMINAL | | ELECTRICAL RESISTANCE PER SECTION | 20.0 KILOHMS SINGLE SECTION | | ACTUATOR TRAVEL CONTROL FEATURE | CONTINUOUS MOTION | | ACTUATOR TYPE | DOUBLE ENDED SHAFT | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 40.0 SINGLE SECTION | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 85.0 SINGLE SECTION | | BODY DIAMETER | 1.125 INCHES NOMINAL | | BODY LENGTH | 0.685 INCHES MAXIMUM | | BODY STYLE | CYLINDRICAL SERVO MOUNTED | | FEATURES PROVIDED | NONMETALLIC SHAFT | | FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR | | FUNCTION CONFORMITY PER SECTION | SINGLE SECTION INDEPENDENT LINEARITY | | FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.25 TO 0.25 SINGLE SECTION | | OVERALL DIAMETER | 1.125 INCHES NOMINAL | | OVERALL LENGTH | 1.406 INCHES NOMINAL | | MAXIMUM STARTING TORQUE | 1.50 INCH-OUNCES | | MOUNTING LIP DEPTH | 0.0620 INCHES NOMINAL | | MOUNTING LIP DIAMETER | 1.1250 INCHES NOMINAL | | MOUNTING METHOD | CLAMP RING | | PILOT LENGTH | 0.0620 INCHES NOMINAL | | PILOT DIAMETER | 0.9680 INCHES NOMINAL | | POWER DISSIPATION RATING PER SECTION IN WATTS | 2.0 FREE AIR SINGLE SECTION | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -0.5 TO 0.5 SINGLE SECTION | | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 360.0 NOMINAL | | SECTION QUANTITY | 1 | | SHAFT DIAMETER | 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | SHAFT LENGTH | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | SHAFT STYLE | ROUND | | TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -20.0 TO 20.0 SINGLE SECTION | | TERMINAL LOCATION | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE | | TERMINAL TYPE AND QUANTITY | 3 SOLDER STUD | | UNDERCUT DIAMETER | 0.964 INCHES MINIMUM AND 0.969 INCHES MAXIMUM | | UNDERCUT WIDTH | 0.0620 INCHES NOMINAL |
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