The Resistor,thermal, cataloged under National Stock Number 5905-01-015-0121, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Carborundum Co the Refractories Div. Government technical data includes 28 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-015-0121 |
| Primary Part Number | B0804J-1 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Carborundum Co the Refractories Div |
| Status | ACTIVE |
| Temp Points for Resistance Readings at Zero Power | 125.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -20.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 50.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -10.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -40.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 90.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT DEGC |
| Inclosure Type | UNINCLOSED |
| Terminal Diameter | 0.020 INCHES NOMINAL IN |
| Resistance Tolerance at a Specified Temp in Percent | -10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Zero Power Resistance at Specified Temp | 1.8 OHMS SIXTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 11.3 OHMS FOURTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 137.0 OHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 3.9 OHMS FIFTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 370.0 OHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 93.8 OHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Body Outside Diameter | 0.200 INCHES NOMINAL IN |
| Body Width | 0.040 INCHES NOMINAL IN |
| Style Designator | DISK |
| Power Dissipation Constant in Milliwatts Per Deg Celsius | 7.0 |
| Zero Power Resistance | 25.000 OHMS |
| Thermal Time Constant in Seconds | 30.0 |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -10.0 TO 10.0 |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius | -3.40 |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 2 WIRE LEAD |
| 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 |
|---|---|
| B0804J-1 PRIMARY | Carborundum Co the Refractories Div (USA) |
| 2553792-21 | Honeywell International Inc. Dba Honeywell International (USA) |
NSN 5905-01-015-0121 is a Resistor,thermal, manufactured by Carborundum Co the Refractories Div, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-015-0121 has 2 manufacturer part numbers on file: B0804J-1 (Carborundum Co the Refractories Div), 2553792-21 (Honeywell International Inc. Dba Honeywell International).
Key specifications for B0804J-1: Temp Points for Resistance Readings at Zero Power: 125.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: -20.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 50.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: -10.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC. 28 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.