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National Stock Number:
5905-00-320-9883
Federal Supply Class:
5905
National Item Identification Number:
003209883
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:
| 100-163 | 02111 | VISHAY SPRAGUE INC | | 162C348 | 18065 | SAMARIUS PRECISION INSTRUMENTS, INC. | | 94179 | 03848 | ARMA DIV AMBAC INDUSTRIES INC | | AMB420 | 12205 | BUNKER RAMO CORP AMPHENOL CONTROLS DIV | | R22-1549 | 18065 | SAMARIUS PRECISION INSTRUMENTS, INC. | | AMB-420 | 19176 | SERVO INSTRUMENT CORPORATION | | RV1 7/8-S218 | 04454 | SENSOR SYSTEMS, L.L.C. | | RV1 7-8S218 | 99957 | BOWMAR/TIC INC SUB OF BOWMAR INSTRUMENT CORP |
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Techincal Specification:
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 346.0 NOMINAL | | ELECTRICAL RESISTANCE PER SECTION | 80.0 KILOHMS 1ST SECTION AND 5.0 KILOHMS 2ND SECTION AND 80.0 KILOHMS 3RD SECTION | | ACTUATOR TRAVEL CONTROL FEATURE | CONTINUOUS MOTION | | ACTUATOR TYPE | SINGLE SHAFT | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 40.0 ALL SECTIONS | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 105.0 ALL SECTIONS | | BEARING TYPE | BALL SHAFT | | BODY DIAMETER | 1.781 INCHES MAXIMUM | | BODY LENGTH | 2.531 INCHES MAXIMUM | | BODY STYLE | CYLINDRICAL SERVO MOUNTED | | FEATURES PROVIDED | HUMIDITY PROOF | | FIXED TAP QUANTITY PER SECTION | 3 2ND SECTION | | FUNCTION CHARACTERISTIC PER SECTION | ALL SECTIONS LINEAR | | FUNCTION CONFORMITY PER SECTION | ALL SECTIONS INDEPENDENT LINEARITY | | FUNCTION CONFORMITY TOLERANCE PER SECTION | -1.00 TO 1.00 ALL SECTIONS | | LATERAL RUNOUT | 0.001 INCHES | | MAXIMUM RUNNING TORQUE | 6.00 INCH-OUNCES | | MAXIMUM STARTING TORQUE | 8.00 INCH-OUNCES | | MOUNTING LIP DEPTH | 0.0620 INCHES NOMINAL | | MOUNTING LIP DIAMETER | 1.7810 INCHES MAXIMUM | | MOUNTING METHOD | CLAMP RING | | PILOT DIAMETER | 1.5000 INCHES MAXIMUM | | PILOT LENGTH | 0.0620 INCHES NOMINAL | | PILOT DIAMETER RUNOUT | 0.0015 INCHES | | POWER DISSIPATION RATING PER SECTION IN WATTS | 2.75 FREE AIR ALL SECTIONS | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -5.0 TO 5.0 1ST SECTION AND -3.0 TO 3.0 2ND SECTION AND -5.0 TO 5.0 3RD SECTION | | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 360.0 NOMINAL | | SECTION QUANTITY | 3 | | SHAFT DIAMETER | 0.250 INCHES MAXIMUM | | SHAFT LENGTH | 0.875 INCHES NOMINAL | | SHAFT RADIAL PLAY | 0.002 INCHES | | SHAFT RUNOUT | 0.001 INCHES | | SHAFT END PLAY | 0.001 INCHES | | SHAFT STYLE | ROUND | | TAP LOCATION FROM CCW TERMINAL PER SECTION IN DEG OF EFFECTIVE ELECTRICAL ROTATION | 80.0 2ND SECTION AND 240.0 2ND SECTION AND 320.0 2ND SECTION | | TAP LOCATION TOLERANCE PER SECTION | -5.0 TO 5.0 DEG ANGULAR ROTATION 2ND SECTION | | TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS | -20.0 TO 20.0 ALL SECTIONS | | TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE | | TERMINAL TYPE AND QUANTITY | 12 TURRET | | UNDERCUT DIAMETER | 1.500 INCHES MAXIMUM | | UNDERCUT WIDTH | 0.0620 INCHES NOMINAL |
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