NSN 5905-00-644-8980 RVTS72, 245103, 00-644-8980
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-644-8980 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: RVTS72, 245103, 5905-00-644-8980, 00-644-8980, 5905006448980, 006448980
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-644-8980 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-644-8980
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Technical Data | NSN 5905-00-644-8980
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 1 |
| ELECTRICAL RESISTANCE PER SECTION | 50.000 KILOHMS SINGLE SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -10.0 TO 10.0 SINGLE SECTION |
| FUNCTION CONFORMITY PER SECTION | SINGLE SECTION INDEPENDENT LINEARITY |
| FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR |
| FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.50 TO 0.50 SINGLE SECTION |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 2.5 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 | 80.0 SINGLE SECTION |
| FIXED TAP QUANTITY PER SECTION | 1 SINGLE SECTION |
| TAP LOCATION FROM CCW TERMINAL PER SECTION IN OHMS | 25000.0 SINGLE SECTION |
| BODY STYLE | 57B RECTANGULAR BUSHING MOUNTED |
| BODY LENGTH | 3.750 INCHES MAXIMUM |
| BODY WIDTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| BODY HEIGHT | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| MOUNTING BUSHING LENGTH | 0.375 INCHES MINIMUM |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 8C ROUND, THREADED |
| THREAD LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| SHAFT DIAMETER | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| SHAFT LENGTH | 3.844 INCHES MINIMUM AND 3.906 INCHES MAXIMUM |
| LONGITUDINAL ACTUATOR TRAVEL | 2.5 INCHES NOMINAL |
| LONGITUDINAL ACTUATOR EFFECTIVE ELECTRICAL STROKE LENGTH | 2.500 INCHES NOMINAL |
| MOUNTING METHOD | STANDARD BUSHING |
| SCREW THREAD SERIES DESIGNATOR | UNEF |
| SCREW THREAD DIAMETER | 0.375 INCHES NOMINAL |
| SCREW THREAD QUANTITY PER INCH | 32.0 |
| FEATURES PROVIDED | NONMETALLIC SHAFT |
| TERMINAL TYPE AND QUANTITY | 4 SOLDER STUD |
| TERMINAL LENGTH | 0.250 INCHES MAXIMUM |
| TERMINAL LOCATION | REAR END |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| SPECIAL FEATURES | TAP LOCATION PORM 0.025 INCHES |
| III OVERALL LENGTH | 7.875 INCHES NOMINAL |
| III OVERALL HEIGHT | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| III OVERALL WIDTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
Restrictions/Controls & Freight Information | NSN 5905-00-644-8980
| 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 | P | 77.5 |
| 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 |