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National Stock Number:
5905-01-024-9102
Federal Supply Class:
5905
National Item Identification Number:
010249102
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-PRF-12934/9 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MILR12934-9 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | RR2100F2D7H202 | 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 | 3600.0 NOMINAL | | ELECTRICAL RESISTANCE PER SECTION | 2.0 KILOHMS SINGLE SECTION | | ACTUATOR TRAVEL CONTROL FEATURE | STOPS | | ACTUATOR TYPE | SINGLE SHAFT | | 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 | 2.031 INCHES MAXIMUM | | BODY LENGTH | 2.250 INCHES MAXIMUM | | BODY STYLE | CYLINDRICAL SERVO MOUNTED | | FRAGILITY FACTOR | MODERATELY RUGGED | | FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR | | FUNCTION CONFORMITY PER SECTION | SINGLE SECTION INDEPENDENT LINEARITY | | FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.50 TO 0.50 SINGLE SECTION | | LATERAL RUNOUT | 0.001 INCHES | | OVERALL DIAMETER | 2.390 INCHES MAXIMUM | | OVERALL LENGTH | 3.406 INCHES MAXIMUM | | MECHANICAL BACKLASH IN DEG ANGULAR ROTATION | 1.0 | | MOUNTING LIP DEPTH | 0.9300 INCHES NOMINAL | | MOUNTING LIP DIAMETER | 2.0000 INCHES NOMINAL | | MOUNTING METHOD | CLAMP RING | | PILOT LENGTH | 0.0620 INCHES NOMINAL | | PILOT DIAMETER RUNOUT | 0.001 INCHES | | PILOT DIAMETER | 1.8750 INCHES MAXIMUM | | POWER DISSIPATION RATING PER SECTION IN WATTS | 5.0 FREE AIR SINGLE SECTION | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -3.0 TO 3.0 SINGLE SECTION | | RELIABILITY INDICATOR | NOT ESTABLISHED | | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 3600.0 NOMINAL | | SECTION QUANTITY | 1 | | SHAFT BEARING TYPE | BEARING | | SHAFT DIAMETER | 0.250 INCHES MAXIMUM | | SHAFT END PLAY | 0.002 INCHES | | SHAFT RADIAL PLAY | 0.002 INCHES | | SHAFT RUNOUT | 0.002 INCHES | | SHAFT STYLE | ROUND | | SHAFT LENGTH | 1.125 INCHES NOMINAL | | SPECIFICATION/STANDARD DATA | 81349-MIL-R-12934/9 GOVERNMENT SPECIFICATION | | TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -160.0 TO 160.0 SINGLE SECTION | | TERMINAL LOCATION | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE | | TERMINAL TYPE AND QUANTITY | 3 TAB, SOLDER LUG | | 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.). | | UNDERCUT DIAMETER | 1.875 INCHES MAXIMUM | | UNDERCUT WIDTH | 0.0730 INCHES MINIMUM |
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