The Circuit Breaker, cataloged under National Stock Number 5925-00-421-6356, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-421-6356 |
| Primary Part Number | P12479 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Bushing Length | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | RELAY TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Actuator Position Designation | AT POLE ONE |
| Unpackaged Unit Weight | 0.156 POUNDS NOMINAL LBS |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 115.0 SINGLE LOCATION |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.567 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.524 INCHES MINIMUM AND 1.586 INCHES MAXIMUM IN |
| Thread Pitch Diameters | +0.3503 TO 0.3537 INCHES IN |
| Maximum Continuous Load Current Rating Per Pole | 150.0 MILLIAMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | INSTANTANEOUS SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 500.0 DC SINGLE LOCATION |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 1.448 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| Thread Quantity Per Inch | 32 |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 4 WIRE HOOK |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNEF |
| Trip Release Method | MAGNETIC-HYDRAULIC SINGLE LOCATION |
| 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 |
|---|---|
| P12479 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-4-5-0-101 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| AP1-4-50-151 | 5/2 Secondary reference U.S. Government activity |
| PSM6-0-150-50VDCW017-10018 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-00-421-6356 is a Circuit Breaker, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-421-6356 has 1 manufacturer part number on file: P12479 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
Key specifications for P12479: Bushing Length: 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Reset Method: MANUAL; Internal Trip Release Configuration: RELAY TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 50.0 DC SINGLE 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.