The Resistor,thermal, cataloged under National Stock Number 5905-01-021-1588, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Systems Ltd. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-021-1588 |
| Primary Part Number | 915614/014 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Raytheon Systems Ltd |
| 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 | -15.0 CELSIUS SECOND 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 | -55.0 CELSIUS FIRST 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 | 50.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC |
| 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 | -15.0 TO 15.0 SIXTH 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 | -9.0 TO 9.0 FOURTH RESISTANCE-TEMPERATURE POINT |
| Resistance Tolerance at a Specified Temp in Percent | -12.0 TO 12.0 FIFTH 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 | 2.4 KILOHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 3.4 KILOHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 5.8 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 6.8 KILOHMS FOURTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 7.0 KILOHMS FIFTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 9.2 KILOHMS SIXTH 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 | 4.700 KILOHMS |
| 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 |
| 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 |
|---|---|
| 915614/014 | Raytheon Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| TG 1/8 472K | C/1 Advisory reference — outside the item-of-supply concept Spectrum Microwave, Inc. Dba Micro Networks |
| RTH42ES472J | 2/2 Government specification standardization U.S. Government activity |
| MILR23648-19 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-23648/19 | 4/1 Identification reference U.S. Government activity |
NSN 5905-01-021-1588 is a Resistor,thermal, manufactured by Raytheon Systems Ltd, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-021-1588 has 1 manufacturer part number on file: 915614/014 (Raytheon Systems Ltd).
4 possible matches (shared part number, not a government interchangeability claim): 5905-01-201-6584, 5905-01-259-3782, 5905-01-300-8290. Verify interchangeability with system specifications before substitution.
Key specifications for 915614/014: Temp Points for Resistance Readings at Zero Power: 75.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: -15.0 CELSIUS SECOND 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: -55.0 CELSIUS FIRST 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.