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National Stock Number:
5905-00-786-3694
Federal Supply Class:
5905
National Item Identification Number:
007863694
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:
| JANR19 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-R-26981 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | RA40A1SK253AK | 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 | 273.0 MINIMUM AND 305.0 MAXIMUM | | ELECTRICAL RESISTANCE PER SECTION | 25.0 KILOHMS SINGLE SECTION | | ACTUATOR TRAVEL CONTROL FEATURE | STOPS | | ACTUATOR TYPE | SINGLE 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 | 105.0 SINGLE SECTION | | BODY DIAMETER | 2.310 INCHES NOMINAL | | BODY LENGTH | 0.940 INCHES NOMINAL | | BODY STYLE | CYLINDRICAL BUSHING 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 | | OVERALL DIAMETER | 2.690 INCHES NOMINAL | | OVERALL LENGTH | 3.440 INCHES NOMINAL | | MAXIMUM RUNNING TORQUE | 6.00 INCH-OUNCES | | MAXIMUM STARTING TORQUE | 6.00 INCH-OUNCES | | MAXIMUM STOP TORQUE | 192.00 INCH-OUNCES | | MOUNTING BUSHING LENGTH | 0.375 INCHES NOMINAL | | MOUNTING METHOD | STANDARD BUSHING | | NONTURN DEVICE LOCATION | AT 9 OCLOCK | | NONTURN DEVICE RADIUS | 0.531 INCHES NOMINAL | | POWER DISSIPATION RATING PER SECTION IN WATTS | 7.0 FREE AIR SINGLE SECTION | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -10.0 TO 10.0 SINGLE SECTION | | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 283.0 MINIMUM AND 315.0 MAXIMUM | | SCREW THREAD DIAMETER | 0.375 INCHES NOMINAL | | SCREW THREAD QUANTITY PER INCH | 32.0 | | SCREW THREAD SERIES DESIGNATOR | UNEF | | SECTION QUANTITY | 1 | | SHAFT BEARING TYPE | BEARING | | SHAFT DIAMETER | 0.250 INCHES NOMINAL | | SHAFT LENGTH | 2.500 INCHES NOMINAL | | SHAFT STYLE | ROUND, SLOTTED | | TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE | | TERMINAL TYPE AND QUANTITY | 3 TAB, SOLDER LUG |
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