The Circuit Breaker, cataloged under National Stock Number 5925-00-265-2275, 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30 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-265-2275 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUALMANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONSSERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC ALL LOCATIONS250.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) AND 4 THREADED HOLE(S) AND 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S) |
| Actuator Position Designation | AT POLE TWOAT POLE TWO |
| Frequency in Hertz | 60.0 ALL LOCATIONS60.0 ALL LOCATIONS |
| Unpackaged Unit Weight | 29.000 OUNCES NOMINAL29.000 OUNCES NOMINAL OZ |
| Center to Center Distance Between Terminals Parallel to Width | 0.984 INCHES NOMINAL0.984 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGEDMODERATELY RUGGED |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS125.0 ALL LOCATIONS |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 3.063 INCHES NOMINAL3.063 INCHES NOMINAL IN |
| Arc Quenching Method | MAGNETIC BLOWOUTMAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS |
| Body Width | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Body Height | 2.687 INCHES NOMINAL2.687 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.190 INCHES NOMINAL0.190 INCHES NOMINAL IN |
| Pole Quantity | 33 |
| Mounting Surface to Terminal End Distance | 3.177 INCHES MINIMUM AND 3.177 INCHES MINIMUM AND 3.197 INCHES MAXIMUM3.197 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC ALL LOCATIONS20.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONSTIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC ALL LOCATIONS5000.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.164 INCHES0.164 INCHES IN |
| Body Length | 5.250 INCHES NOMINAL5.250 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.320 MINIMUM AT 200 PCT AND 0.320 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS0.950 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE1 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.984 INCHES NOMINAL0.984 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | GENERAL PURPOSE AND GENERAL PURPOSE AND FUNGUS RESISTANT AND FUNGUS RESISTANT AND MOISTURE RESISTANTMOISTURE RESISTANT |
| Thread Quantity Per Inch | 3232 |
| 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 |
|---|---|
| 3363SMG4-20-45 | 3/9 Design control — primary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 740058-2 | 5/2 Secondary reference U.S. Government activity |
| 62-989BMG4-20-45 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 39-214 | 5/9 Secondary reference Barker & Williamson |
NSN 5925-00-265-2275 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5950-00-978-4501, 6105-01-185-5525, 5340-01-287-9042. Verify interchangeability with system specifications before substitution.
Key specifications for 5925-00-265-2275: Reset Method: MANUALMANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONSSERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC ALL LOCATIONS250.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) AND 4 THREADED HOLE(S) AND 4 UNTHREADED HOLE(S)4 UNTHREADED 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.