NSN 5905-00-256-8854 U39300, U39-300, 00-256-8854
Product Details | NONPRECISION WIRE WOUND VARIABLE RESISTOR
5905-00-256-8854 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), if given, of the output is greater than plus of minus 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, PRECISION.
Part Alternates: U39300, U39-300, 5905-00-256-8854, 00-256-8854, 5905002568854, 002568854
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 24-MAR-71 | 00-256-8854 | 37406 ( RESISTOR, VARIABLE, WIRE WOUND, NONPRECISION ) |
Drawings & Photos | NSN 5905-00-256-8854
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Technical Data | NSN 5905-00-256-8854
| Characteristic | Specifications |
|---|---|
| SECTION QUANTITY | 1 |
| ELECTRICAL RESISTANCE PER SECTION | 300.0 OHMS SINGLE SECTION |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT | -20.0 TO 20.0 SINGLE SECTION |
| STANDARD TAPER CURVE PER SECTION | A SINGLE SECTION |
| POWER DISSIPATION RATING PER SECTION IN WATTS | 2.0 FREE AIR SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | 55.0 SINGLE SECTION |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | 120.0 SINGLE SECTION |
| BODY STYLE | 41B CYLINDRICAL TAB/FLANGE MOUNTED |
| BODY DIAMETER | 1.156 INCHES NOMINAL |
| BODY LENGTH | 0.625 INCHES NOMINAL |
| LATERAL DISTANCE BETWEEN MOUNTING HOLE CENTERS | 0.670 INCHES NOMINAL |
| ACTUATOR TYPE | FLUSH DRIVE WITH SLOT-HOLE |
| MOUNTING METHOD | SLOT |
| MOUNTING FACILITY QUANTITY | 2 |
| MOUNTING SLOT WIDTH | 0.040 INCHES NOMINAL |
| FEATURES PROVIDED | GROUNDED CONTACT ARM |
| TERMINAL TYPE AND QUANTITY | 2 TAB, SOLDER LUG |
| TERMINAL LOCATION | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
Restrictions/Controls & Freight Information | NSN 5905-00-256-8854
| 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 |
|---|---|---|
| No Freight Information | ||