5905-00-177-7390, RESISTOR,VARIABLE,WIRE WOUND,PRE

5905-00-177-7391 RESISTOR,VARIABLE,WIRE WOUND,NON

National Stock Number:
5905-00-177-7390

Federal Supply Class:
5905

National Item Identification Number:
001777390

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.

Manufacturer Information:

140-0-0-503	02111	VISHAY SPRAGUE INC
310A114	38056	ASHCROFT INC

Techincal Specification:

EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION	315.0 MINIMUM AND 325.0 MAXIMUM
ELECTRICAL RESISTANCE PER SECTION	50.0 KILOHMS SINGLE SECTION
ACTUATOR TYPE	SINGLE SHAFT
ACTUATOR TRAVEL CONTROL FEATURE	STOPS
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	125.0 SINGLE SECTION
BEARING TYPE	SLEEVE SHAFT
BODY DIAMETER	0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
BODY LENGTH	0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
BODY STYLE	CYLINDRICAL BUSHING MOUNTED
FEATURES PROVIDED	HUMIDITY PROOF
FRAGILITY FACTOR	MODERATELY RUGGED
FUNCTION CHARACTERISTIC PER SECTION	SINGLE SECTION LINEAR
FUNCTION CONFORMITY PER SECTION	SINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CONFORMITY TOLERANCE PER SECTION	-1.00 TO 1.00 SINGLE SECTION
LATERAL RUNOUT	0.003 INCHES
MAXIMUM RUNNING TORQUE	0.20 INCH-OUNCES
MAXIMUM STARTING TORQUE	0.20 INCH-OUNCES
MAXIMUM STOP TORQUE	80.00 INCH-OUNCES
MOUNTING BUSHING LENGTH	0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
MOUNTING METHOD	STANDARD BUSHING
NONTURN DEVICE LOCATION	AT 6 OCLOCK
NONTURN DEVICE RADIUS	0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
PILOT DIAMETER RUNOUT	0.002 INCHES
POWER DISSIPATION RATING PER SECTION IN WATTS	2.0 FREE AIR SINGLE SECTION
RELIABILITY INDICATOR	NOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT	-5.0 TO 5.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG	325.0 MINIMUM AND 335.0 MAXIMUM
SCREW THREAD DIAMETER	0.250 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH	32.0
SCREW THREAD SERIES DESIGNATOR	UNEF
SECTION QUANTITY	1
SHAFT END PLAY	0.006 INCHES
SHAFT DIAMETER	0.1245 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM
SHAFT RADIAL PLAY	0.003 INCHES
SHAFT LENGTH	0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
SHAFT RUNOUT	0.002 INCHES
SHAFT STYLE	ROUND, SLOTTED
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS	-20.0 TO 20.0 SINGLE SECTION
TERMINAL LOCATION	REAR END
TERMINAL TYPE AND QUANTITY	3 TURRET

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