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National Stock Number:
5905-01-066-0772
Federal Supply Class:
5905
National Item Identification Number:
010660772
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:
| 120961 | 0EBU2 | VAMISTOR/WESTON DIV OF VAMISTOR CORP OF TENNESSEE INC | | 120961 | 94271 | LOCKHEED MARTIN CORP | | L02520 | 16236 | DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) |
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Techincal Specification:
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 350.0 NOMINAL | | ELECTRICAL RESISTANCE PER SECTION | 5.0 KILOHMS ALL SECTIONS | | ACTUATOR TYPE | SINGLE SHAFT | | ACTUATOR TRAVEL CONTROL FEATURE | STOPS | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 70.0 ALL SECTIONS | | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 125.0 ALL SECTIONS | | BODY DIAMETER | 3.031 INCHES MAXIMUM | | BODY LENGTH | 2.187 INCHES MAXIMUM | | BODY STYLE | CYLINDRICAL SERVO MOUNTED | | CRITICALITY CODE JUSTIFICATION | FEAT | | FRAGILITY FACTOR | MODERATELY RUGGED | | FUNCTION CHARACTERISTIC PER SECTION | ALL SECTIONS LINEAR | | FUNCTION CONFORMITY PER SECTION | ALL SECTIONS TERMINAL BASE LINEARITY | | FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.05 TO 0.05 ALL SECTIONS | | LATERAL RUNOUT | 0.002 INCHES | | MOUNTING LIP DEPTH | 0.0930 INCHES NOMINAL | | MOUNTING LIP DIAMETER | 3.0000 INCHES NOMINAL | | MOUNTING METHOD | CLAMP RING | | PILOT DIAMETER | 2.8750 INCHES MINIMUM | | PILOT LENGTH | 0.0620 INCHES NOMINAL | | PILOT DIAMETER RUNOUT | 0.002 INCHES | | POWER DISSIPATION RATING PER SECTION IN WATTS | 4.5 FREE AIR ALL SECTIONS | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE PER SECTION IN PERCENT | -3.0 TO 3.0 ALL SECTIONS | | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 360.0 NOMINAL | | SECTION QUANTITY | 2 | | SHAFT BEARING TYPE | BALL | | SHAFT END PLAY | 0.005 INCHES | | SHAFT DIAMETER | 0.250 INCHES MAXIMUM | | SHAFT RADIAL PLAY | 0.002 INCHES | | SHAFT RUNOUT | 0.002 INCHES | | SHAFT STYLE | ROUND | | SHAFT LENGTH | 1.000 INCHES NOMINAL | | SPECIAL FEATURES | ITEM MUST COMPLY WITH REQUIREMENTS OF DESC PRODUCTION STANDARD NO. L02520,FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY | | UNDERCUT DIAMETER | 2.875 INCHES MAXIMUM | | UNDERCUT WIDTH | 0.0730 INCHES MINIMUM | | TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -300.0 TO 300.0 ALL SECTIONS | | TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE | | TERMINAL TYPE AND QUANTITY | 6 TURRET |
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