The Resistor,thermal, cataloged under National Stock Number 5905-01-105-9904, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-105-9904 |
| Primary Part Number | 861123-1811 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Temp Points for Resistance Readings at Zero Power | 150.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 50.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -50.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC |
| Inclosure Type | HERMETICALLY SEALED |
| Terminal Diameter | 0.020 INCHES NOMINAL IN |
| Resistance Tolerance at a Specified Temp in Percent | -5.0 TO 5.0 ALL RESISTANCE-TEMPERATURE POINTS |
| Terminal Length | 1.200 INCHES MINIMUM IN |
| Zero Power Resistance at Specified Temp | 112.5 OHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 116.0 OHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 360.0 OHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Body Outside Diameter | 0.106 INCHES MAXIMUM IN |
| Reference Temp in Deg Celsius | 25.0 |
| Style Designator | ROD |
| Zero Power Resistance | 180.000 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 | 150.0 CELSIUS DEGC |
| Body Length | 0.300 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Test Data Document | 13973-861123 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 861123-1811 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 861123-1811 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5905-01-105-9904 is a Resistor,thermal, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-105-9904 has 1 manufacturer part number on file: 861123-1811 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 861123-1811: Temp Points for Resistance Readings at Zero Power: 150.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 50.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: -50.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC; Inclosure Type: HERMETICALLY SEALED. 23 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.