The Circuit Breaker, cataloged under National Stock Number 5925-01-159-6612, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-159-6612 |
| Primary Part Number | 979212-4 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SECOND LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 28.0 DC FIRST LOCATION |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Frequency in Hertz | 400.0 SECOND LOCATION |
| Unpackaged Unit Weight | 6.500 OUNCES NOMINAL OZ |
| Center to Center Distance Between Terminals Parallel to Width | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE AND TWO LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 2.461 INCHES MINIMUM AND 2.481 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 2.0 AMPERES AC SECOND LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 2.0 AMPERES DC FIRST LOCATION |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC SECOND LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 DC FIRST LOCATION |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 2 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM 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 |
|---|---|
| 979212-4 | Raytheon Company (USA) |
| 979212-4 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| AM2-Z229-4 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 979212-4 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5925-01-159-6612 is a Circuit Breaker, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-159-6612 has 2 manufacturer part numbers on file: 979212-4 (Raytheon Company), 979212-4 (Raytheon Company Dba Raytheon Co).
Key specifications for 979212-4: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC SECOND LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 28.0 DC FIRST LOCATION. 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.