The Resistor,thermal, cataloged under National Stock Number 5905-00-070-5948, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Therm-O-Disc Inc Sub of Emerson Electric Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-00-070-5948 |
| Primary Part Number | 9RT1A6 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Therm-O-Disc Inc Sub of Emerson Electric Co |
| Status | ACTIVE |
| Inclosure Type | ENCAPSULATED |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Maximum Current Rating | 4.80 AMPERES |
| Reference Temp in Deg Celsius | 25.0 |
| Style Designator | WASHER ASSY/SINGLE END |
| Power Dissipation Constant in Milliwatts Per Deg Celsius | 55.0 |
| Washer Thickness | 0.034 INCHES NOMINAL IN |
| Zero Power Resistance | 31.500 OHMS |
| Thermal Time Constant in Seconds | 150.0 |
| Ambient Temp at Full Rated Power | 75.0 CELSIUS DEGC |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -10.0 TO 10.0 |
| Maximum Operating Temp | 200.0 CELSIUS DEGC |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Maximum Power Dissipation Rating | 9.15 WATTS |
| 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 |
|---|---|
| 9RT1A6 PRIMARY | Therm-O-Disc Inc Sub of Emerson Electric Co (USA) |
| Reference | Meaning |
|---|---|
| 297321-2 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
NSN 5905-00-070-5948 is a Resistor,thermal, manufactured by Therm-O-Disc Inc Sub of Emerson Electric Co, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-070-5948 has 1 manufacturer part number on file: 9RT1A6 (Therm-O-Disc Inc Sub of Emerson Electric Co).
Key specifications for 9RT1A6: Overall Height: 1.120 INCHES NOMINAL IN; Inclosure Type: ENCAPSULATED; Body Outside Diameter: 0.750 INCHES NOMINAL IN; Maximum Current Rating: 4.80 AMPERES. 15 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.