NSN 5905-00-783-7493 NL72393551, NL7239-355-1, L603000007
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-783-7493 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: NL72393551, NL7239-355-1, L603000007, 2134255, 32007181, 3200-718-1, 5905-00-783-7493, 00-783-7493, 5905007837493, 007837493
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1962 | 00-783-7493 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-783-7493
Cross Reference | NSN 5905-00-783-7493
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Technical Data | NSN 5905-00-783-7493
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 2 |
| ELECTRICAL RESISTANCE PER SECTION | 5.000 KILOHMS ALL SECTIONS |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -3.0 TO 3.0 ALL SECTIONS |
| FUNCTION CONFORMITY PER SECTION | ALL SECTIONS ABSOLUTE LINEARITY |
| FUNCTION CHARACTERISTIC PER SECTION | ALL SECTIONS LINEAR |
| FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.20 TO 0.20 SINGLE SECTION |
| SHAFT RUNOUT | 0.001 INCHES |
| LATERAL RUNOUT | 0.001 INCHES |
| PILOT DIAMETER RUNOUT | 0.00150 INCHES |
| SHAFT RADIAL PLAY | 0.002 INCHES |
| SHAFT BEARING TYPE | BALL |
| SHAFT END PLAY | 0.00500 INCHES |
| MAXIMUM STARTING TORQUE | 0.65 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 0.50 INCH-OUNCES |
| TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS | -130.0 TO 130.0 ALL SECTIONS |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 105.0 FREE AIR ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 80.0 ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | ANY ACCEPTABLE |
| BODY STYLE | 4B CYLINDRICAL SERVO MOUNTED |
| PILOT DIAMETER | 1.3116 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM |
| PILOT LENGTH | 0.1290 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 1.31160 INCHES MINIMUM AND 1.31200 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.0730 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM |
| BODY DIAMETER | 1.436 INCHES MINIMUM AND 1.437 INCHES MAXIMUM |
| BODY LENGTH | 2.250 INCHES MAXIMUM |
| MOUNTING LIP DIAMETER | 1.4340 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM |
| MOUNTING LIP DEPTH | 0.0890 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM |
| ANGLE OF MOUNTING HOLE IN DEG | 90.0 |
| ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG | 120.0 |
| MOUNTING HOLE/STUD CIRCLE DIAMETER | 0.975 INCHES MAXIMUM |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 1C ROUND |
| SHAFT DIAMETER | 0.188 INCHES NOMINAL |
| SHAFT LENGTH | 0.688 INCHES NOMINAL |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 1260.0 MINIMUM |
| ACTUATOR TRAVEL CONTROL FEATURE | CLUTCH |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 1080.0 MINIMUM AND 1082.0 MAXIMUM |
| MOUNTING METHOD | FLANGE |
| TERMINAL TYPE AND QUANTITY | 6 TAB W/SCREW |
| TERMINAL LOCATION | ALL ADJACENT SIDES FROM ADJACENT CONTROL |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| III OVERALL LENGTH | 2.806 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5905-00-783-7493
| 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 5905-00-783-7493
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |