The Circuit Breaker, cataloged under National Stock Number 5925-01-157-4600, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Newark Electronics Corporation Dba Newark. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-157-4600 |
| Primary Part Number | 29F1564 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Newark Electronics Corporation Dba Newark |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Frequency in Hertz | 50.0 OR 60.0 SINGLE LOCATION |
| Unpackaged Unit Weight | 2.500 OUNCES NOMINAL OZ |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.655 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.875 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 2.0 AMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC SINGLE LOCATION |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.190 MINIMUM AT 200 PCT AND 1.900 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND MOISTURE RESISTANT |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Special Handling Feature | MAGNETIC |
| 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 |
|---|---|
| 29F1564 | Newark Electronics Corporation Dba Newark (USA) |
| Reference | Meaning |
|---|---|
| JA1-A3-A-2-3 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| JA1S-A3-A-002-03E | 3/9 Design control — primary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-01-157-4600 is a Circuit Breaker, manufactured by Newark Electronics Corporation Dba Newark, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-157-4600 has 1 manufacturer part number on file: 29F1564 (Newark Electronics Corporation Dba Newark).
Key specifications for 29F1564: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 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.