NSN 5905-00-320-0650 9972568, 997256-8, 997256PC8
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-320-0650 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: 9972568, 997256-8, 997256PC8, 5905-00-320-0650, 00-320-0650, 5905003200650, 003200650
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-320-0650 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-320-0650
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Technical Data | NSN 5905-00-320-0650
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 1 |
| ELECTRICAL RESISTANCE PER SECTION | 9.5 KILOHMS SINGLE SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -1.0 TO 1.0 SINGLE SECTION |
| FUNCTION CONFORMITY PER SECTION | SINGLE SECTION ZERO BASED LINEARITY |
| FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR |
| FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.05 TO 0.05 SINGLE SECTION |
| SHAFT RUNOUT | 0.001 INCHES |
| LATERAL RUNOUT | 0.001 INCHES |
| PILOT DIAMETER RUNOUT | 0.00100 INCHES |
| SHAFT RADIAL PLAY | 0.001 INCHES |
| SHAFT BEARING TYPE | BALL |
| SHAFT END PLAY | 0.001 INCHES |
| 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 | 5.0 FREE AIR SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 70.0 SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 120.0 SINGLE SECTION |
| BODY STYLE | 5B CYLINDRICAL SERVO MOUNTED |
| PILOT DIAMETER | 1.8770 INCHES MAXIMUM |
| PILOT LENGTH | 0.0600 INCHES NOMINAL |
| UNDERCUT DIAMETER | 1.877 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.0600 INCHES NOMINAL |
| BODY DIAMETER | 2.000 INCHES NOMINAL |
| BODY LENGTH | 2.200 INCHES MAXIMUM |
| MOUNTING LIP DIAMETER | 2.0000 INCHES NOMINAL |
| MOUNTING LIP DEPTH | 0.0600 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 3C ROUND, SLOTTED |
| SHAFT DIAMETER | 0.250 INCHES NOMINAL |
| SHAFT LENGTH | 0.600 INCHES NOMINAL |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 3456.0 NOMINAL |
| ACTUATOR TRAVEL CONTROL FEATURE | STOPS |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 3384.0 NOMINAL |
| MOUNTING METHOD | BRACKET AND THREADED HOLE |
| MOUNTING FACILITY QUANTITY | 2 |
| SCREW THREAD SERIES DESIGNATOR | UNC |
| SCREW THREAD DIAMETER | 0.190 INCHES NOMINAL |
| SCREW THREAD QUANTITY PER INCH | 24.0 |
| FEATURES PROVIDED | HUMIDITY PROOF |
| TERMINAL TYPE AND QUANTITY | 3 TAB, SOLDER LUG |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| SPECIAL FEATURES | SHAFT-ROTATES IN EITHER DIRECTION |
Restrictions/Controls & Freight Information | NSN 5905-00-320-0650
| 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 | 72D | 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 5905-00-320-0650
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9N | Navy-owned stocks of defense electronic 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 | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |