The Circuit Breaker, cataloged under National Stock Number 5925-01-166-9675, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-166-9675 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SECOND LOCATION |
| Internal Trip Release Configuration | SERIES TRIP THIRD LOCATION |
| Internal Trip Release Configuration | SERIES TRIP W/DUAL RATING FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC SECOND LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC THIRD LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC AND 90.0 AC FIRST LOCATION |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) AND 6 UNTHREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Frequency in Hertz | 47.0 OR 63.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 1.500 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE, TWO, AND THREE LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 4.638 INCHES MINIMUM AND 4.668 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 4.490 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN |
| Body Height | 2.958 INCHES MINIMUM AND 2.978 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.031 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 150.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.190 INCHES IN |
| Body Length | 7.115 INCHES MINIMUM AND 7.135 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 15.000 MINIMUM AT 200 PCT AND 95.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GJ3-Z12-1 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| SM-A-973939-13 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-166-9675 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-166-9675: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SECOND LOCATION; Internal Trip Release Configuration: SERIES TRIP THIRD LOCATION; Internal Trip Release Configuration: SERIES TRIP W/DUAL RATING 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.