NSN 5905-00-154-3985

Part Details | PRECISION WIRE WOUND VARIABLE RESISTOR

5905-00-154-3985 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.

Alternate Parts: ST1383, 21899551, 2189955-1, 5905-00-154-3985, 00-154-3985, 5905001543985, 001543985

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59OCT 22, 197100-154-398537408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION )
REFERENCE DRAWINGS & PICTURES

CYLINDRICAL SERVO MOUNTED

ROUND

Cross Reference | NSN 5905-00-154-3985
Part Number Cage Code Manufacturer
ST138373138BI TECHNOLOGIES CORPORATIONDIV BI TECHNOLOGIES CORP.
2189955-149671LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 5905-00-154-3985
Characteristic Specifications
SECTION QUANTITY1
ELECTRICAL RESISTANCE PER SECTION2.0 KILOHMS SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT-5.0 TO +5.0 SINGLE SECTION
FUNCTION CONFORMITY PER SECTION SINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CHARACTERISTIC PER SECTION SINGLE SECTION LINEAR
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.25 TO +0.25 SINGLE SECTION
SHAFT RUNOUT0.001 INCHES
LATERAL RUNOUT0.002 INCHES
PILOT DIAMETER RUNOUT0.0015 INCHES
SHAFT RADIAL PLAY0.002 INCHES
SHAFT BEARING TYPE BALL
SHAFT END PLAY0.004 INCHES
MAXIMUM STARTING TORQUE0.10 INCH-OUNCES
MAXIMUM RUNNING TORQUE0.10 INCH-OUNCES
TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS-0.0 TO +20.0 SINGLE SECTION
POWER DISSIPATION RATING PER SECTION IN WATTS1.25 FREE AIR SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER70.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 SINGLE SECTION
BODY STYLE CYLINDRICAL SERVO MOUNTED
PILOT DIAMETER0.7500 INCHES NOMINAL
PILOT LENGTH0.0620 INCHES NOMINAL
UNDERCUT DIAMETER0.781 INCHES MAXIMUM
UNDERCUT WIDTH0.0620 INCHES NOMINAL
BODY DIAMETER0.875 INCHES NOMINAL
BODY LENGTH0.770 INCHES NOMINAL
MOUNTING LIP DIAMETER0.8750 INCHES NOMINAL
MOUNTING LIP DEPTH0.0620 INCHES NOMINAL
ACTUATOR TYPE SINGLE SHAFT
SHAFT STYLE ROUND
SHAFT DIAMETER0.1248 INCHES NOMINAL
SHAFT LENGTH0.875 INCHES NOMINAL
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG360.0 NOMINAL
ACTUATOR TRAVEL CONTROL FEATURE CONTINUOUS MOTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION354.0 NOMINAL
MOUNTING METHOD CLAMP RING
TERMINAL TYPE AND QUANTITY3 TURRET
TERMINAL LOCATION RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
RELIABILITY INDICATOR NOT ESTABLISHED
TEST DATA DOCUMENT49671-2189955 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 LENGTH1.645 INCHES NOMINAL
OVERALL DIAMETER1.032 INCHES NOMINAL