The Circuit Breaker, cataloged under National Stock Number 5925-00-957-8286, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-00-957-8286 |
| Primary Part Number | 342C108H04 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 120.0 AC AND 125.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 101.0 ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Unthreaded Mounting Hole Diameter | 0.190 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 90.0 AMPERES AC AND 90.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 7500.0 AC AND 7500.0 DC ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 300.000 MINIMUM AT 125 PCT AND 7200.000 MAXIMUM AT 125 PCT AND 2800.000 MINIMUM AT 200 PCT AND 110.000 MAXIMUM AT 200 PCT AND 6.000 MINIMUM AT 300 PCT AND 23.000 MAXIMUM AT 300 PCT AND 2.000 MINIMUM AT 400 PCT AND 9.000 MAXIMUM AT 400 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | MOISTURE RESISTANT AND FUNGUS RESISTANT |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 6 SCREW |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 342C108H04 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 342C108H04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-00-957-8286 is a Circuit Breaker, manufactured by Westinghouse Electric Corp, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-957-8286 has 1 manufacturer part number on file: 342C108H04 (Westinghouse Electric Corp).
Key specifications for 342C108H04: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 120.0 AC AND 125.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S). 20 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.