NSN 5905-00-643-7344 HP202, 381-0145-00, 00-643-7344
Product Details | PRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-643-7344 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: HP202, 381-0145-00, 5905-00-643-7344, 00-643-7344, 5905006437344, 381014500, 006437344
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-643-7344 | 37408 ( RESISTOR, VARIABLE, WIRE WOUND, PRECISION ) |
Drawings & Photos | NSN 5905-00-643-7344
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Technical Data | NSN 5905-00-643-7344
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 2 |
| ELECTRICAL RESISTANCE PER SECTION | 10.000 KILOHMS 1ST SECTION 10.000 KILOHMS 2ND SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -10.0 TO 10.0 ALL SECTIONS |
| FUNCTION CONFORMITY PER SECTION | SINGLE SECTION INDEPENDENT LINEARITY |
| FUNCTION CHARACTERISTIC PER SECTION | SINGLE SECTION LINEAR |
| FUNCTION CONFORMITY TOLERANCE PER SECTION | -0.20 TO 0.20 1ST SECTION -0.50 TO 0.50 2ND SECTION |
| MAXIMUM STARTING TORQUE | 2.00 INCH-OUNCES |
| MAXIMUM RUNNING TORQUE | 2.00 INCH-OUNCES |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 2.5 FREE AIR ALL SECTIONS |
| BODY STYLE | 21B CYLINDRICAL STUDS MOUNTED |
| BODY DIAMETER | 2.000 INCHES NOMINAL |
| BODY LENGTH | 1.938 INCHES NOMINAL |
| MOUNTING HOLE/STUD CIRCLE DIAMETER | 0.625 INCHES NOMINAL |
| ACTUATOR TYPE | SINGLE SHAFT |
| SHAFT STYLE | 3C ROUND, SLOTTED |
| SHAFT DIAMETER | 0.250 INCHES NOMINAL |
| SHAFT LENGTH | 0.750 INCHES NOMINAL |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | 325.0 NOMINAL |
| ACTUATOR TRAVEL CONTROL FEATURE | STOPS |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | 325.0 NOMINAL AND 305.0 NOMINAL |
| MOUNTING METHOD | THREADED HOLE |
| MOUNTING FACILITY QUANTITY | 3 |
| SCREW THREAD SERIES DESIGNATOR | UNC |
| SCREW THREAD DIAMETER | 0.138 INCHES NOMINAL |
| SCREW THREAD QUANTITY PER INCH | 32.0 |
| FEATURES PROVIDED | NONMETALLIC SHAFT |
| TERMINAL TYPE AND QUANTITY | 6 TAB, SOLDER LUG |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| III OVERALL LENGTH | 2.312 INCHES NOMINAL |
| III OVERALL DIAMETER | 2.093 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5905-00-643-7344
| Category | Code | Description |
|---|---|---|
| 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. |
| 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 |
|---|---|---|
| No Freight Information | ||