Part Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-188-3858 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: 8123161, 8123-16-1, 5905-00-188-3858, 00-188-3858, 5905001883858, 001883858
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | MAR 01, 1971 | 00-188-3858 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
REFERENCE DRAWINGS & PICTURES
CYLINDRICAL SERVO MOUNTED
ROUND
Cross Reference | NSN 5905-00-188-3858
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8123-16-1 | 73138 | BI TECHNOLOGIES CORPORATIONDIV BI TECHNOLOGIES CORP. |
Technical Data | NSN 5905-00-188-3858
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 1 |
| ELECTRICAL RESISTANCE PER SECTION | 10.0 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 RUNOUT | 0.0005 INCHES |
| LATERAL RUNOUT | 0.001 INCHES |
| PILOT DIAMETER RUNOUT | 0.001 INCHES |
| SHAFT RADIAL PLAY | 0.001 INCHES |
| SHAFT BEARING TYPE | BALL |
| SHAFT END PLAY | 0.005 INCHES |
| MAXIMUM STARTING TORQUE | 1.30 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 0.90 INCH-OUNCES |
| TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS | -20.0 TO +20.0 SINGLE SECTION |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 3.0 FREE AIR SINGLE SECTION |
| 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 | 85.0 SINGLE SECTION |
| FIXED TAP QUANTITY PER SECTION | 1 SINGLE SECTION |
| TAP LOCATION FROM CCW TERMINAL PER SECTION IN OHMS | 5000.0 SINGLE SECTION |
| TAP LOCATION TOLERANCE PER SECTION | -15.0 TO +15.0 OHMS SINGLE SECTION |
| BODY STYLE | CYLINDRICAL SERVO MOUNTED |
| PILOT DIAMETER | 1.8130 INCHES NOMINAL |
| PILOT LENGTH | 0.0620 INCHES NOMINAL |
| UNDERCUT DIAMETER | 1.844 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.0620 INCHES NOMINAL |
| BODY DIAMETER | 1.875 INCHES NOMINAL |
| BODY LENGTH | 1.250 INCHES NOMINAL |
| MOUNTING LIP DIAMETER | 1.8750 INCHES NOMINAL |
| MOUNTING LIP DEPTH | 0.0620 INCHES NOMINAL |
| ANGLE OF MOUNTING HOLE IN DEG | 90.0 |
| ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG | 120.0 |
| MOUNTING HOLE/STUD CIRCLE DIAMETER | 1.203 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | ROUND |
| SHAFT DIAMETER | 0.2497 INCHES NOMINAL |
| SHAFT LENGTH | 0.625 INCHES NOMINAL |
| CONTACT ARM ELECTRICAL OFF POSITION | FULLY CCW |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 1080.0 NOMINAL |
| ACTUATOR TRAVEL CONTROL FEATURE | STOPS |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 1080.0 NOMINAL |
| MOUNTING METHOD | UNTHREADED HOLE |
| MOUNTING FACILITY QUANTITY | 3 |
| MOUNTING HOLE DIAMETER | 0.120 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 4 TAB, SOLDER LUG |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| OVERALL LENGTH | 1.875 INCHES NOMINAL |
| OVERALL DIAMETER | 2.241 INCHES MAXIMUM |
| FRAGILITY FACTOR | MODERATELY RUGGED |