NSN 5905-00-787-4957 RB31L1, 10125241, 00-787-4957
Product Details | THERMAL RESISTOR
5905-00-787-4957 A thermally sensitive resistor whose primary function is to exhibit a change in electrical resistance with a change in body temperature. Item may be mounted in a probe or housing. For ballast tube type resistors, see RESISTOR (1), CURRENT REGULATING. Excludes TRANSMITTER (1), TEMPERATURE, ELECTRICAL RESISTANCE and TEMPERATURE ELEMENT, RESISTANCE METEOROLOGICAL.
Part Alternates: RB31L1, 10125241, 5905-00-787-4957, 00-787-4957, 5905007874957, 007874957
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1960 | 00-787-4957 | 00309 ( RESISTOR, THERMAL ) |
Drawings & Photos | NSN 5905-00-787-4957
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Technical Data | NSN 5905-00-787-4957
| Characteristic | Specifications |
|---|---|
| ZERO POWER RESISTANCE | 1.250 KILOHMS |
| ZERO POWER RESISTANCE TOLERANCE IN PERCENT AT REFERENCE TEMP | -10.0 TO 10.0 |
| MAXIMUM POWER DISSIPATION RATING | 500.00 MILLIWATTS |
| AMBIENT TEMP AT FULL RATED POWER | 25.0 DEG CELSIUS |
| MAXIMUM OPERATING TEMP | 125.0 DEG CELSIUS |
| THERMAL TIME CONSTANT IN SECONDS | 60.0 |
| POWER DISSIPATION CONSTANT IN MILLIWATTS PER DEG CELSIUS | 5.0 |
| TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER | 40.0 DEG CELSIUS 1ST RESISTANCE-TEMPERATURE POINT 70.0 DEG CELSIUS 2ND RESISTANCE-TEMPERATURE POINT 80.0 DEG CELSIUS 3RD RESISTANCE-TEMPERATURE POINT |
| ZERO POWER RESISTANCE AT SPECIFIED TEMP | 712.0 OHMS 1ST RESISTANCE-TEMPERATURE POINT 265.0 OHMS 2ND RESISTANCE-TEMPERATURE POINT 196.3 OHMS 3RD RESISTANCE-TEMPERATURE POINT |
| RESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT | -10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS |
| STYLE DESIGNATOR | 15 ROD |
| BODY LENGTH | 0.380 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.110 INCHES NOMINAL |
| INCLOSURE TYPE | ENCAPSULATED |
| TERMINAL TYPE AND QUANTITY | 2 WIRE LEAD |
| TERMINAL LENGTH | 1.380 INCHES NOMINAL |
| TERMINAL DIAMETER | 0.020 INCHES NOMINAL |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| III REFERENCE TEMP IN DEG CELSIUS | 25.0 |
| III UNPACKAGED UNIT WEIGHT | 0.015 POUNDS |
| III TERMINAL SURFACE TREATMENT | TIN |
| III CUBIC MEASURE | 0.080 CUBIC CENTIMETERS |
Restrictions/Controls & Freight Information | NSN 5905-00-787-4957
| 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 |
|---|---|---|
| NMF Description | 062960 | REOSTATS/PARTS NOI |
| Less than car load rating | P | 77.5 |
| 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 |