NSN 5905-00-784-4442 175885, 56134190, 5613-419-0
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-784-4442 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: 175885, 56134190, 5613-419-0, 5905-00-784-4442, 00-784-4442, 5905007844442, 007844442
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1960 | 00-784-4442 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-784-4442
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Technical Data | NSN 5905-00-784-4442
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 3 |
| ELECTRICAL RESISTANCE PER SECTION | 50.000 KILOHMS 1ST SECTION 10.000 KILOHMS 2ND SECTION 10.000 KILOHMS 3RD SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -1.0 TO 1.0 1ST SECTION -5.0 TO 5.0 2ND SECTION -5.0 TO 5.0 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 |
| MAXIMUM STARTING TORQUE | 1.80 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 1.20 INCH-OUNCES |
| 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 | 2.8 FREE AIR 1ST SECTION 1.6 FREE AIR 2ND SECTION 2.1 FREE AIR 3RD SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 40.0 ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 85.0 ALL SECTIONS |
| FIXED TAP QUANTITY PER SECTION | 1 1ST SECTION 1 2ND SECTION 1 3RD SECTION |
| TAP LOCATION FROM CCW TERMINAL PER SECTION IN DEG OF EFFECTIVE ELECTRICAL ROTATION | 178.0 ALL SECTIONS |
| TAP LOCATION TOLERANCE PER SECTION | -1.0 TO 1.0 DEG ANGULAR ROTATION ALL SECTIONS |
| BODY STYLE | 5B CYLINDRICAL SERVO MOUNTED |
| PILOT DIAMETER | 1.8750 INCHES NOMINAL |
| PILOT LENGTH | 0.0620 INCHES NOMINAL |
| UNDERCUT DIAMETER | 1.875 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.0790 INCHES NOMINAL |
| BODY DIAMETER | 2.031 INCHES MAXIMUM |
| BODY LENGTH | 2.156 INCHES MAXIMUM |
| MOUNTING LIP DIAMETER | 2.0000 INCHES NOMINAL |
| MOUNTING LIP DEPTH | 0.0930 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 1C ROUND |
| SHAFT DIAMETER | 0.250 INCHES NOMINAL |
| SHAFT LENGTH | 0.563 INCHES NOMINAL |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 360.0 NOMINAL |
| ACTUATOR TRAVEL CONTROL FEATURE | CONTINUOUS MOTION |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 356.0 NOMINAL |
| MOUNTING METHOD | CLAMP RING |
| TERMINAL TYPE AND QUANTITY | 12 TAB, SOLDER LUG |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| III OVERALL LENGTH | 2.218 INCHES NOMINAL |
| III OVERALL DIAMETER | 2.031 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5905-00-784-4442
| 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 |