The Resistor,thermal, cataloged under National Stock Number 5905-01-155-4908, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-155-4908 |
| Primary Part Number | TM1-8-680RS |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Temp Points for Resistance Readings at Zero Power | 0.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT0.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 50.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT50.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 125.0 CELSIUS NINTH RESISTANCE-TEMPERATURE POINT125.0 CELSIUS NINTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 75.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT75.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 100.0 CELSIUS EIGHTH RESISTANCE-TEMPERATURE POINT100.0 CELSIUS EIGHTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -75.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT-75.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 150.0 CELSIUS TENTH RESISTANCE-TEMPERATURE POINT150.0 CELSIUS TENTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -25.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT-25.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -50.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT-50.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 25.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT25.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT DEGC |
| Inclosure Type | ENCAPSULATED |
| Terminal Diameter | 0.025 INCHES NOMINAL0.025 INCHES NOMINAL IN |
| Resistance Tolerance at a Specified Temp in Percent | -10.0 TO 10.0 FIFTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -12.0 TO 12.0 FOURTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -11.0 TO 11.0 SIXTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -13.0 TO 13.0 SEVENTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -14.0 TO 14.0 EIGHTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -14.0 TO 14.0 THIRD RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -16.0 TO 16.0 NINTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -16.0 TO 16.0 SECOND RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -19.0 TO 19.0 FIRST RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -19.0 TO 19.0 TENTH RESISTANCE-TEMPERATURE POINT |
| Terminal Length | 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN |
| Zero Power Resistance at Specified Temp | 1.1 KILOHMS EIGHTH RESISTANCE-TEMPERATURE POINT1.1 KILOHMS EIGHTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 1.3 KILOHMS NINTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 1.5 KILOHMS TENTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 299.2 OHMS FIRST RESISTANCE-TEMPERATURE POINT299.2 OHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 394.4 OHMS SECOND RESISTANCE-TEMPERATURE POINT394.4 OHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 476.0 OHMS THIRD RESISTANCE-TEMPERATURE POINT476.0 OHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 578.0 OHMS FOURTH RESISTANCE-TEMPERATURE POINT578.0 OHMS FOURTH RESISTANCE-TEMPERATURE POINT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| TM1-8-681 | U S Dept of Transportation Federal Aviation Administration (USA) |
| TM1-8-680RS PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| TM1-8-681 | 5/9 Secondary reference Texas Instruments Incorporated |
| TM1-8-680RS | 5/9 Secondary reference Texas Instruments Incorporated |
NSN 5905-01-155-4908 is a Resistor,thermal, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-155-4908 has 2 manufacturer part numbers on file: TM1-8-681 (U S Dept of Transportation Federal Aviation Administration), TM1-8-680RS (U S Dept of Transportation Federal Aviation Administration).
Key specifications for TM1-8-680RS: Temp Points for Resistance Readings at Zero Power: 0.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT0.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 50.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT50.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 125.0 CELSIUS NINTH RESISTANCE-TEMPERATURE POINT125.0 CELSIUS NINTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 75.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT75.0 CELSIUS SEVENTH 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.