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National Stock Number:
5905-01-165-9887
Federal Supply Class:
5905
National Item Identification Number:
011659887
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:
| MIL-R-12934/30 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | RR3900E2A9G103 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 1800.0 NOMINAL | | ELECTRICAL RESISTANCE PER SECTION | 10.0 KILOHMS SINGLE SECTION | | ACTUATOR TYPE | SINGLE SHAFT | | ACTUATOR TRAVEL CONTROL FEATURE | STOPS | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 70.0 SINGLE SECTION | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 125.0 SINGLE SECTION | | BODY DIAMETER | 0.906 INCHES MAXIMUM | | BODY LENGTH | 1.219 INCHES MAXIMUM | | BODY STYLE | CYLINDRICAL BUSHING MOUNTED | | FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR | | FUNCTION CONFORMITY PER SECTION | SINGLE SECTION INDEPENDENT LINEARITY | | FUNCTION CONFORMITY TOLERANCE PER SECTION | -1.00 TO 1.00 SINGLE SECTION | | LATERAL RUNOUT | 0.002 INCHES | | NONTURN DEVICE LOCATION | AT 12 OCLOCK | | NONTURN DEVICE RADIUS | 0.312 INCHES NOMINAL | | MAXIMUM STARTING TORQUE | 0.50 INCH-OUNCES | | MAXIMUM STOP TORQUE | 48.00 INCH-OUNCES | | MAXIMUM RUNNING TORQUE | 0.40 INCH-OUNCES | | MOUNTING BUSHING LENGTH | 0.250 INCHES NOMINAL | | MOUNTING METHOD | STANDARD BUSHING | | PILOT DIAMETER RUNOUT | 0.001 INCHES | | POWER DISSIPATION RATING PER SECTION IN WATTS | 1.5 FREE AIR SINGLE SECTION | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -3.0 TO 3.0 SINGLE SECTION | | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 1800.0 NOMINAL | | SCREW THREAD QUANTITY PER INCH | 32.0 | | SCREW THREAD SERIES DESIGNATOR | UNEF | | SCREW THREAD DIAMETER | 0.250 INCHES NOMINAL | | SECTION QUANTITY | 1 | | SHAFT BEARING TYPE | SLEEVE | | SHAFT END PLAY | 0.005 INCHES | | SHAFT DIAMETER | 0.125 INCHES NOMINAL | | SHAFT RADIAL PLAY | 0.002 INCHES | | SHAFT RUNOUT | 0.002 INCHES | | SHAFT STYLE | ROUND, SLOTTED | | SHAFT LENGTH | 0.875 INCHES NOMINAL | | SPECIFICATION/STANDARD DATA | 81349-MIL-R-12934/30 GOVERNMENT SPECIFICATION | | TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -30.0 TO 30.0 SINGLE SECTION | | TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE | | TERMINAL TYPE AND QUANTITY | 3 TURRET | | TEST DATA DOCUMENT | 81349-MIL-R-12934 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
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