NSN 5905-00-591-9811 CVA1178A, CVA6482587A, CVA648-25-87A
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-591-9811 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: CVA1178A, CVA6482587A, CVA648-25-87A, CVE1502431, CVE150243-1, 5905-00-591-9811, 00-591-9811, 5905005919811, 005919811
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-591-9811 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-591-9811
Cross Reference | NSN 5905-00-591-9811
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Technical Data | NSN 5905-00-591-9811
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 2 |
| ELECTRICAL RESISTANCE PER SECTION | 20.0 KILOHMS 1ST SECTION 50.0 KILOHMS 2ND SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -10.0 TO 10.0 1ST SECTION -5.0 TO 5.0 2ND 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 |
| TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS | -20.0 TO 20.0 ALL SECTIONS |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 0.25 FREE AIR ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 125.0 ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 150.0 ALL SECTIONS |
| BODY STYLE | 54B RECTANGULAR W/TAB/FLANGE MOUNTED |
| BODY LENGTH | 3.400 INCHES NOMINAL |
| BODY WIDTH | 1.040 INCHES NOMINAL |
| BODY HEIGHT | 1.170 INCHES NOMINAL |
| DISTANCE BETWEEN MOUNTING HOLE CENTERS | 0.660 INCHES NOMINAL |
| LATERAL DISTANCE BETWEEN MOUNTING HOLE CENTERS | 3.000 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 8C ROUND, THREADED |
| THREAD LENGTH | 1.100 INCHES NOMINAL |
| SHAFT DIAMETER | 0.190 INCHES NOMINAL |
| SHAFT LENGTH | 1.460 INCHES NOMINAL |
| LONGITUDINAL ACTUATOR TRAVEL | 1.300 INCHES NOMINAL |
| LONGITUDINAL ACTUATOR EFFECTIVE ELECTRICAL STROKE LENGTH | 1.300 INCHES NOMINAL |
| MOUNTING METHOD | UNTHREADED HOLE |
| MOUNTING FACILITY QUANTITY | 3 |
| MOUNTING HOLE DIAMETER | 0.177 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 6 WIRE LEAD |
| TERMINAL LOCATION | REAR END |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
Restrictions/Controls & Freight Information | NSN 5905-00-591-9811
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 |
Management | NSN 5905-00-591-9811
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | X | SEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |