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National Stock Number:
5905-00-260-3338
Federal Supply Class:
5905
National Item Identification Number:
002603338
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:
| 10228918 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 1700-798 | 11534 | BEI SENSORS & SYSTEMS COMPANY, INC. | | 308-0089 | 02111 | VISHAY SPRAGUE INC | | 1720-1004 | 11534 | BEI SENSORS & SYSTEMS COMPANY, INC. |
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Techincal Specification:
| SECTION QUANTITY | 3 | | ELECTRICAL RESISTANCE PER SECTION | 10.0 KILOHMS 1ST SECTION | | 10.0 KILOHMS 2ND SECTION | | 20.0 KILOHMS 3RD SECTION | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -5.0 TO 5.0 ALL SECTIONS | | FUNCTION CONFORMITY PER SECTION | ALL SECTIONS INDEPENDENT LINEARITY | | FUNCTION CHARACTERISTIC PER SECTION | ALL SECTIONS LINEAR | | FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.50 TO 0.50 ALL SECTIONS | | SHAFT RUNOUT | 0.001 INCHES | | LATERAL RUNOUT | 0.002 INCHES | | PILOT DIAMETER RUNOUT | 0.0015 INCHES | | SHAFT RADIAL PLAY | 0.002 INCHES | | SHAFT END PLAY | 0.004 INCHES | | MAXIMUM STARTING TORQUE | 0.80 INCH-OUNCES | | MAXIMUM RUNNING TORQUE | 0.60 INCH-OUNCES | | TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -70.0 TO 70.0 ALL SECTIONS | | POWER DISSIPATION RATING PER SECTION IN WATTS | 5.0 FREE AIR ALL SECTIONS | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 60.0 ALL SECTIONS | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 125.0 ALL SECTIONS | | FIXED TAP QUANTITY PER SECTION | 1 1ST SECTION | | 1 2ND SECTION | | 2 3RD SECTION | | TAP LOCATION TOLERANCE PER SECTION | -1.0 TO 1.0 DEG ANGULAR ROTATION ALL SECTIONS | | BODY STYLE | CYLINDRICAL SERVO MOUNTED | | PILOT DIAMETER | 1.8750 INCHES NOMINAL | | PILOT LENGTH | 0.0620 INCHES NOMINAL | | UNDERCUT DIAMETER | 1.850 INCHES NOMINAL | | UNDERCUT WIDTH | 0.0730 INCHES MINIMUM | | BODY DIAMETER | 2.000 INCHES NOMINAL | | BODY LENGTH | 2.438 INCHES MAXIMUM | | MOUNTING LIP DIAMETER | 2.0000 INCHES NOMINAL | | MOUNTING LIP DEPTH | 0.09300 INCHES NOMINAL | | ACTUATOR TYPE | SINGLE SHAFT | | SHAFT STYLE | ROUND, FLAT, UNDERCUT | | FIRST FLAT LENGTH | 0.180 INCHES NOMINAL | | FLAT HEIGHT | 0.2097 INCHES NOMINAL | | SHAFT DIAMETER | 0.2497 INCHES NOMINAL | | SHAFT LENGTH | 1.000 INCHES NOMINAL | | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 360.0 NOMINAL | | ACTUATOR TRAVEL CONTROL FEATURE | CONTINUOUS MOTION | | EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 356.0 NOMINAL | | MOUNTING METHOD | CLAMP RING | | TERMINAL TYPE AND QUANTITY | 13 TURRET | | TERMINAL LOCATION | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE | | RELIABILITY INDICATOR | NOT ESTABLISHED | | TEST DATA DOCUMENT | 18876-10228918 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | OVERALL LENGTH | 3.530 INCHES MAXIMUM | | OVERALL DIAMETER | 2.191 INCHES MAXIMUM |
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