The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-00-755-0447, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tepro of Florida, Inc. Dba Tepro of Florida Div Tepro of Florida. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-00-755-0447 |
| Primary Part Number | TM25W400J |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Tepro of Florida, Inc. Dba Tepro of Florida Div Tepro of Florida |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -5.000 TO 5.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -20.0 TO 20.0 |
| Electrical Resistance | 40.000 OHMS |
| Inclosure Type | ENCASED |
| Mounting Hole Size | 0.125 INCHES NOMINAL IN |
| Terminal Type | TAB, SOLDER LUG |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 0.718 INCHES NOMINAL IN |
| Heat Sink Thickness | 0.040 INCHES IN |
| Terminal Length | 0.437 INCHES NOMINAL IN |
| Body Width | 0.531 INCHES NOMINAL IN |
| Body Height | 0.562 INCHES NOMINAL IN |
| Style Designator | AXIAL TERMINAL (S) |
| Heat Sink Height | 2.000 INCHES IN |
| Power Dissipation Rating in Watts | 12.500 FREE AIR |
| Heat Sink Length | 7.000 INCHES IN |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Body Length | 1.062 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Heat Sink Width | 5.000 INCHES IN |
| Reliability Indicator | NOT ESTABLISHED |
| Material | ALUMINUM ALLOY HEAT SINK |
| 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 |
|---|---|
| TM25W400J PRIMARY | Tepro of Florida, Inc. Dba Tepro of Florida Div Tepro of Florida (USA) |
| Reference | Meaning |
|---|---|
| 443-0081-002 | 5/2 Secondary reference U.S. Government activity |
NSN 5905-00-755-0447 is a Resistor,fixed,wire Wound, manufactured by Tepro of Florida, Inc. Dba Tepro of Florida Div Tepro of Florida, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-755-0447 has 1 manufacturer part number on file: TM25W400J (Tepro of Florida, Inc. Dba Tepro of Florida Div Tepro of Florida).
Key specifications for TM25W400J: Resistance Tolerance in Percent: -5.000 TO 5.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -20.0 TO 20.0; Electrical Resistance: 40.000 OHMS; Inclosure Type: ENCASED. 21 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.