The Circuit Breaker, cataloged under National Stock Number 5925-01-196-5123, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Oakland Industries Ltd. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-01-196-5123 |
| Primary Part Number | 43-20-P10-F31-RS04F5AMP |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Oakland Industries Ltd |
| Status | ACTIVE |
| Bushing Length | 0.040 INCHES NOMINAL IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC AND 28.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 2 CLIP |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Frequency in Hertz | 50.0 OR 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 0.740 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 150.0 ALL LOCATIONS |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.950 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.650 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 1.610 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES AC AND 5.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 50.0 AC AND 50.0 DC ALL LOCATIONS |
| Body Length | 2.130 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 10.000 MINIMUM AT 200 PCT AND 40.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | CORROSION RESISTANT |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Trip Release Ambient Temp Rating | -35.0 CELSIUS MINIMUM AND 55.0 CELSIUS MAXIMUM ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 4 QUICK DISCONNECT, MALE |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Length | 0.960 INCHES NOMINAL IN |
| 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 |
|---|---|
| 43-20-P10-F31-RS04F5AMP | Oakland Industries Ltd (USA) |
| Reference | Meaning |
|---|---|
| C12123-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-196-5123 is a Circuit Breaker, manufactured by Oakland Industries Ltd, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-196-5123 has 1 manufacturer part number on file: 43-20-P10-F31-RS04F5AMP (Oakland Industries Ltd).
Key specifications for 43-20-P10-F31-RS04F5AMP: Bushing Length: 0.040 INCHES NOMINAL IN; Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC AND 28.0 DC ALL LOCATIONS. 30 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.