Part Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-681-9989 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: 5905-00-681-9989, 00-681-9989, 5905006819989, 006819989
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | JAN 01, 1963 | 00-681-9989 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
REFERENCE DRAWINGS & PICTURES
CYLINDRICAL BUSHING MOUNTED
ROUND
Cross Reference | NSN 5905-00-681-9989
| Part Number | Cage Code | Manufacturer |
|---|
Technical Data | NSN 5905-00-681-9989
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 1 |
| ELECTRICAL RESISTANCE PER SECTION | 50.000 KILOHMS SINGLE SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -1.0 TO +1.0 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 | 0.001 INCHES |
| LATERAL RUNOUT | 0.004 INCHES |
| PILOT DIAMETER RUNOUT | 0.00150 INCHES |
| SHAFT RADIAL PLAY | 0.00200 INCHES |
| SHAFT END PLAY | 0.00500 INCHES |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 4.8 FREE AIR SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 25.0 SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 85.0 SINGLE SECTION |
| BODY STYLE | CYLINDRICAL BUSHING MOUNTED |
| BODY DIAMETER | 2.000 INCHES NOMINAL |
| BODY LENGTH | 0.905 INCHES NOMINAL |
| MOUNTING BUSHING LENGTH | 0.375 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | ROUND |
| SHAFT DIAMETER | 0.249 INCHES NOMINAL |
| SHAFT LENGTH | 0.495 INCHES NOMINAL |
| CONTACT ARM ELECTRICAL OFF POSITION | FULLY CCW |
| MOUNTING METHOD | STANDARD BUSHING |
| SCREW THREAD SERIES DESIGNATOR | UNEF |
| SCREW THREAD DIAMETER | 0.500 INCHES NOMINAL |
| SCREW THREAD QUANTITY PER INCH | 32.0 |
| TERMINAL TYPE AND QUANTITY | 3 SOLDER STUD |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |