The Resistor,thermal, cataloged under National Stock Number 5905-00-443-9462, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ohmite Holding, L.l.c.. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-443-9462 |
| Primary Part Number | 0550H100 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Ohmite Holding, L.l.c. |
| Status | ACTIVE |
| Temp Points for Resistance Readings at Zero Power | 75.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | -30.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 120.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC |
| Temp Points for Resistance Readings at Zero Power | 15.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC |
| Inclosure Type | ENCAPSULATED |
| Terminal Diameter | 0.032 INCHES NOMINAL IN |
| Resistance Tolerance at a Specified Temp in Percent | -15.0 TO 15.0 ALL RESISTANCE-TEMPERATURE POINTS |
| Terminal Length | 1.375 INCHES MINIMUM IN |
| Zero Power Resistance at Specified Temp | 1.5 KILOHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 100.0 OHMS FOURTH RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 260.0 OHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Zero Power Resistance at Specified Temp | 7.4 KILOHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Body Outside Diameter | 0.220 INCHES MAXIMUM IN |
| Style Designator | ROD |
| Power Dissipation Constant in Milliwatts Per Deg Celsius | 11.0 |
| Zero Power Resistance | 1.000 KILOHMS |
| Thermal Time Constant in Seconds | 25.0 |
| 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 |
| Body Length | 0.630 INCHES MAXIMUM IN |
| Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius | -3.10 |
| 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 |
|---|---|
| 0550H100 PRIMARY | Ohmite Holding, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 2600001 | C/1 Advisory reference — outside the item-of-supply concept Telephone Systems/communications |
NSN 5905-00-443-9462 is a Resistor,thermal, manufactured by Ohmite Holding, L.l.c., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-443-9462 has 1 manufacturer part number on file: 0550H100 (Ohmite Holding, L.l.c.).
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-115-2040, 4140-01-412-5032, 2040-01-644-2521. Verify interchangeability with system specifications before substitution.
Key specifications for 0550H100: Temp Points for Resistance Readings at Zero Power: 75.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: -30.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 120.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC; Temp Points for Resistance Readings at Zero Power: 15.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC. 24 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.