The Resistor,thermal, cataloged under National Stock Number 5905-01-019-8979, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-019-8979 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Terminal Diameter | 0.020 INCHES NOMINAL IN |
| Resistance Tolerance at a Specified Temp in Percent | -7.0 TO 7.0 THIRD RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -7.0 TO 7.0 FOURTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -9.0 TO 9.0 SECOND RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -12.0 TO 12.0 SIXTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -9.0 TO 9.0 FIFTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -15.0 TO 15.0 SEVENTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -15.0 TO 15.0 FIRST RESISTANCE-TEMPERATURE POINT |
| Terminal Length | 1.200 INCHES MINIMUM IN |
| Zero Power Resistance at Specified Temp | 1.1 KILOHMS FIFTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 1.2 KILOHMS SIXTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 1.4 KILOHMS SEVENTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 512.5 OHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 555.0 OHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 626.3 OHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 900.0 OHMS FOURTH RESISTANCE-TEMPERATURE POINT |
| Body Outside Diameter | 0.100 INCHES NOMINAL IN |
| Style Designator | ROD |
| Power Dissipation Constant in Milliwatts Per Deg Celsius | 2.5 |
| Zero Power Resistance | 750.000 OHMS |
| Thermal Time Constant in Seconds | 60.0 |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -5.0 TO 5.0 |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Body Length | 0.285 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Test Data Document | 81349-MIL-R-23648 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Maximum Power Dissipation Rating | 250.00 MILLIWATTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-PRF-23648/19 | 4/1 Identification reference U.S. Government activity |
| RTH42ES751J | 2/2 Government specification standardization U.S. Government activity |
| MIL-T-23648/19 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-019-8979 is a Resistor,thermal, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-01-019-8979: Inclosure Type: HERMETICALLY SEALED; Terminal Diameter: 0.020 INCHES NOMINAL IN; Resistance Tolerance at a Specified Temp in Percent: -7.0 TO 7.0 THIRD RESISTANCE-TEMPERATURE POINT; Resistance Tolerance at a Specified Temp in Percent: -7.0 TO 7.0 FOURTH RESISTANCE-TEMPERATURE POINT. 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.