The Circuit Breaker, cataloged under National Stock Number 5925-01-184-6912, 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 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-184-6912 |
| Primary Part Number | 43-400-L-402.049 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Oakland Industries Ltd |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Actuator Position Designation | AT POLE ONE |
| Switch Terminal Type | TAB, SOLDER LUG |
| Frequency in Hertz | 60.0 SINGLE LOCATION |
| Unpackaged Unit Weight | 0.062 OUNCES NOMINAL OZ |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SINGLE POLE TYPE |
| Switch Voltage Rating and Type in Volts | 250.0 AC |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 140.0 SINGLE LOCATION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.950 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN |
| Switch Location and Position Designation | INTERNAL AT POLE ONE |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 2.250 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1500.0 AC SINGLE LOCATION |
| Nominal Thread Size | 0.375 INCHES IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 10.000 MINIMUM AT 200 PCT AND 40.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 PUSH BUTTON |
| Switch Current Rating and Type in Amps | 1.0 AC |
| Inclosure Protection Type for Which Designed | WATERPROOF AND DUSTPROOF |
| Switch Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| 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 |
|---|---|
| 29-587240-1 | General Dynamics Mission Systems, Inc. (USA) |
| 43-400-L-402.049 PRIMARY | Oakland Industries Ltd (USA) |
NSN 5925-01-184-6912 is a Circuit Breaker, manufactured by Oakland Industries Ltd, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-184-6912 has 2 manufacturer part numbers on file: 29-587240-1 (General Dynamics Mission Systems, Inc.), 43-400-L-402.049 (Oakland Industries Ltd).
Key specifications for 43-400-L-402.049: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SINGLE LOCATION; Mounting Facility Type and Quantity: 1 THREADED BUSHING; Actuator Position Designation: AT POLE ONE. 28 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.