The Circuit Breaker, cataloged under National Stock Number 5925-00-223-9552, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Heinemann Electric Canada Incdivision of Eaton Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-223-9552 |
| Primary Part Number | GJ3-Z9-1W |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Heinemann Electric Canada Incdivision of Eaton Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Actuator Position Designation | AT POLE TWO |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Unthreaded Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Features Provided | ADJUSTABLE TRIP RELEASE |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND MOISTURE RESISTANT |
| 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 |
|---|---|
| GJ3-Z9-1W | Heinemann Electric Canada Incdivision of Eaton Corp (CAN) |
| Reference | Meaning |
|---|---|
| GJ3-Z9-1 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 328AS283-3 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| NFJ633260MTOFP400HZ | 5/9 Secondary reference Challenger Electrical Equipment Corp |
| GJ3-Z9-1 | 3/9 Design control — primary reference Eaton Corp Aerospace Commercial Controls Div |
NSN 5925-00-223-9552 is a Circuit Breaker, manufactured by Heinemann Electric Canada Incdivision of Eaton Corp, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-223-9552 has 1 manufacturer part number on file: GJ3-Z9-1W (Heinemann Electric Canada Incdivision of Eaton Corp).
Key specifications for GJ3-Z9-1W: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Actuator Position Designation: AT POLE TWO; Frequency in Hertz: 400.0 ALL LOCATIONS; Circuit Protection Type: OVERCURRENT ALL LOCATIONS. 9 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.