The Circuit Breaker, cataloged under National Stock Number 5925-01-321-4019, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-321-4019 |
| Primary Part Number | G330251-2 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| 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 ALL LOCATIONS |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Switch Terminal Type | TAB, SOLDER LUG |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 1.016 INCHES MINIMUM AND 1.036 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, TWO, THREE, AND FOUR LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Switch Location and Position Designation | INTERNAL AT POLE FOUR |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 4.144 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 4 |
| Mounting Surface to Terminal End Distance | 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 55.0 AMPERES AC ALL LOCATIONS |
| Features Provided | HIGH INRUSH PROTECTION |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 7500.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 5.115 INCHES MINIMUM AND 5.135 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 20.000 MINIMUM AT 200 PCT AND 105.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 4 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.016 INCHES MINIMUM AND 1.036 INCHES MAXIMUM IN |
| Inclosure Protection Type for Which Designed | FUNGUS PROOF AND HUMIDITY PROOF AND SALT WATER RESISTANT AND SHOCK RESISTANT AND VIBRATION 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 |
|---|---|
| CD4-Z236-1W | Corporation Heinemann Canada (CAN) |
| G330251-2 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| CD4-Z236-1 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-01-321-4019 is a Circuit Breaker, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-321-4019 has 2 manufacturer part numbers on file: CD4-Z236-1W (Corporation Heinemann Canada), G330251-2 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for G330251-2: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 8 THREADED HOLE(S). 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.