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National Stock Number:
5905-00-187-4552
Federal Supply Class:
5905
National Item Identification Number:
001874552
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:
| 637230-1 1-3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 310.0 NOMINAL | | ELECTRICAL RESISTANCE PER SECTION | 2.28 KILOHMS SINGLE SECTION | | ACTUATOR TYPE | SINGLE SHAFT | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 20.0 SINGLE SECTION | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 85.0 SINGLE SECTION | | ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG | 120.0 | | ANGLE OF MOUNTING HOLE IN DEG | 90.0 | | BODY DIAMETER | 2.109 INCHES NOMINAL | | BODY LENGTH | 1.412 INCHES NOMINAL | | BODY STYLE | CYLINDRICAL SERVO MOUNTED | | FEATURES PROVIDED | NONMETALLIC SHAFT | | FRAGILITY FACTOR | MODERATELY RUGGED | | FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR | | FUNCTION CONFORMITY PER SECTION | SINGLE SECTION INDEPENDENT LINEARITY | | FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.30 TO 0.30 SINGLE SECTION | | MAXIMUM RUNNING TORQUE | 1.00 INCH-OUNCES | | MAXIMUM STARTING TORQUE | 2.00 INCH-OUNCES | | MOUNTING FACILITY QUANTITY | 3 | | MOUNTING METHOD | THREADED HOLE | | MOUNTING HOLE/STUD CIRCLE DIAMETER | 0.875 INCHES NOMINAL | | MOUNTING LIP DEPTH | 0.0620 INCHES NOMINAL | | MOUNTING LIP DIAMETER | 2.1090 INCHES NOMINAL | | PILOT DIAMETER | 0.7500 INCHES NOMINAL | | PILOT LENGTH | 0.0780 INCHES NOMINAL | | POWER DISSIPATION RATING PER SECTION IN WATTS | 3.0 FREE AIR SINGLE SECTION | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -1.3 TO 1.3 SINGLE SECTION | | SCREW THREAD DIAMETER | 0.164 INCHES NOMINAL | | SCREW THREAD QUANTITY PER INCH | 32.0 | | SCREW THREAD SERIES DESIGNATOR | UNC | | SECTION QUANTITY | 1 | | SHAFT DIAMETER | 0.250 INCHES NOMINAL | | SHAFT STYLE | ROUND | | SHAFT LENGTH | 0.625 INCHES NOMINAL | | TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE | | TERMINAL TYPE AND QUANTITY | 3 TAB, SOLDER LUG | | UNDERCUT DIAMETER | 2.000 INCHES NOMINAL | | UNDERCUT WIDTH | 0.0930 INCHES NOMINAL |
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