NSN 5905-01-145-8749 21003734, 2100-3734, 84A3D-G36-BA0/293
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-01-145-8749 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: 21003734, 2100-3734, 84A3D-G36-BA0/293, 84A3DG36BA0293, 84A3D-G36-BA0293, 5905-01-145-8749, 01-145-8749, 5905011458749, 011458749
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 20 JAN 1983 | 01-145-8749 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-01-145-8749
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Technical Data | NSN 5905-01-145-8749
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 2 |
| ELECTRICAL RESISTANCE PER SECTION | 50.0 KILOHMS 1ST SECTION 250.0 OHMS 2ND SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -5.0 TO 5.0 ALL SECTIONS |
| FUNCTION CONFORMITY PER SECTION | ALL SECTIONS INDEPENDENT LINEARITY |
| FUNCTION CHARACTERISTIC PER SECTION | ALL SECTIONS LINEAR |
| FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.25 TO 0.25 ALL SECTIONS |
| SHAFT RUNOUT | 0.006 INCHES |
| SHAFT RADIAL PLAY | 0.005 INCHES |
| SHAFT BEARING TYPE | SLEEVE |
| SHAFT END PLAY | 0.014 INCHES |
| MAXIMUM STOP TORQUE | 48.00 INCH-OUNCES |
| MAXIMUM STARTING TORQUE | 2.00 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 2.00 INCH-OUNCES |
| TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS | -50.0 TO 50.0 ALL SECTIONS |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 1.0 FREE AIR ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 70.0 ALL SECTIONS |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 125.0 ALL SECTIONS |
| BODY STYLE | 35B RECTANGULAR BUSHING MOUNTED |
| BODY LENGTH | 1.805 INCHES MINIMUM AND 1.861 INCHES MAXIMUM |
| BODY WIDTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| BODY HEIGHT | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| MOUNTING BUSHING LENGTH | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| ACTUATOR TYPE | DUAL CONCENTRIC |
| SHAFT STYLE | 17C ROUND, STEPPED |
| SHAFT DIAMETER | 0.289 INCHES MINIMUM AND 0.299 INCHES MAXIMUM |
| SHAFT LENGTH | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM |
| UNDERCUT LENGTH | 0.369 INCHES MINIMUM AND 0.431 INCHES MAXIMUM |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 3600.0 MINIMUM AND 3615.0 MAXIMUM |
| ACTUATOR TRAVEL CONTROL FEATURE | STOPS |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 3600.0 MINIMUM AND 3610.0 MAXIMUM |
| NONTURN DEVICE LOCATION | AT 9 OCLOCK |
| NONTURN DEVICE RADIUS | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| MOUNTING METHOD | STANDARD BUSHING |
| SCREW THREAD SERIES DESIGNATOR | UNEF |
| SCREW THREAD DIAMETER | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| SCREW THREAD QUANTITY PER INCH | 32.0 |
| FEATURES PROVIDED | SWITCH |
| SWITCH TYPE | PUSH-PULL |
Restrictions/Controls & Freight Information | NSN 5905-01-145-8749
| 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: | A | Item does not contain precious metal |
| 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 | TX | Defense Supply Center Columbus Columbus, OH 43218 |
| 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 |