The Resistor,thermal, cataloged under National Stock Number 5905-00-341-2006, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Micro Uspd Inc. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-341-2006 |
| Primary Part Number | TM254-123K |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Micro Uspd Inc |
| Status | ACTIVE |
| Temp Points for Resistance Readings at Zero Power | 75.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 125.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 150.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 100.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -65.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -25.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -55.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC |
| Inclosure Type | ENCAPSULATED |
| Terminal Diameter | 0.025 INCHES NOMINAL IN |
| Resistance Tolerance at a Specified Temp in Percent | -15.0 TO 15.0 ALL RESISTANCE-TEMPERATURE POINTS |
| Terminal Length | 1.300 INCHES MINIMUM IN |
| Zero Power Resistance at Specified Temp | 17.1 KILOHMS FOURTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 20.0 KILOHMS FIFTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 23.0 KILOHMS SIXTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 26.8 KILOHMS SEVENTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 5.7 KILOHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 6.1 KILOHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 8.0 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Body Outside Diameter | 0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Reference Temp in Deg Celsius | 25.0 |
| Style Designator | ROD |
| Power Dissipation Constant in Milliwatts Per Deg Celsius | 8.5 |
| Zero Power Resistance | 12.000 KILOHMS |
| Thermal Time Constant in Seconds | 34.8 |
| Ambient Temp at Full Rated Power | 100.0 CELSIUS DEGC |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -10.0 TO 10.0 |
| Maximum Operating Temp | 150.0 CELSIUS DEGC |
| Body Length | 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN |
| Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius | 0.70 |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TM254-123K PRIMARY | Micro Uspd Inc (USA) |
| Reference | Meaning |
|---|---|
| TM254-123K | 5/9 Secondary reference Texas Instruments Incorporated |
| 958024-41B | 7/2 Vendor item drawing reference U.S. Government activity |
| TM254-41B | 5/9 Secondary reference Texas Instruments Incorporated |
NSN 5905-00-341-2006 is a Resistor,thermal, manufactured by Micro Uspd Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-341-2006 has 1 manufacturer part number on file: TM254-123K (Micro Uspd Inc).
Key specifications for TM254-123K: Temp Points for Resistance Readings at Zero Power: 75.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 125.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 150.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 100.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT DEGC. 30 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.