NSN 5905-00-992-7947 SRV05116, 70031800, 700-318-00
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-992-7947 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.
Part Alternates: SRV05116, 70031800, 700-318-00, 1088201, 108820-1, 5905-00-992-7947, 00-992-7947, 5905009927947, 009927947
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1962 | 00-992-7947 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-992-7947
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Technical Data | NSN 5905-00-992-7947
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 3 |
| ELECTRICAL RESISTANCE PER SECTION | 12.0 KILOHMS 1ST SECTION 10.0 KILOHMS 2ND SECTION 10.0 KILOHMS 3RD SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -2.0 TO 2.0 1ST SECTION -4.0 TO 4.0 2ND SECTION -4.0 TO 4.0 3RD SECTION |
| FUNCTION CONFORMITY PER SECTION | ALL SECTIONS INDEPENDENT LINEARITY |
| FUNCTION CHARACTERISTIC PER SECTION | ALL SECTIONS LINEAR |
| FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.50 TO 0.50 ALL SECTIONS |
| SHAFT RUNOUT | 0.002 INCHES |
| PILOT DIAMETER RUNOUT | 0.002 INCHES |
| SHAFT RADIAL PLAY | 0.004 INCHES |
| SHAFT END PLAY | 0.005 INCHES |
| MAXIMUM STARTING TORQUE | 0.30 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 0.235 INCH-OUNCES |
| TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS | -20.0 TO 20.0 1ST SECTION -90.0 TO 90.0 2ND SECTION -90.0 TO 90.0 3RD SECTION |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 0.25 FREE AIR ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 25.0 ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 85.0 ALL SECTIONS |
| BODY STYLE | 5B CYLINDRICAL SERVO MOUNTED |
| PILOT DIAMETER | 0.7500 INCHES NOMINAL |
| PILOT LENGTH | 0.0620 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.750 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.0620 INCHES NOMINAL |
| BODY DIAMETER | 0.875 INCHES NOMINAL |
| BODY LENGTH | 1.687 INCHES NOMINAL |
| MOUNTING LIP DIAMETER | 0.8750 INCHES NOMINAL |
| MOUNTING LIP DEPTH | 0.0620 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
Restrictions/Controls & Freight Information | NSN 5905-00-992-7947
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 062960 | REOSTATS/PARTS NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |