The Circuit Breaker, cataloged under National Stock Number 5925-01-254-6590, 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30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5925-01-254-6590 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Bushing Length | 0.380 INCHES MAXIMUM0.380 INCHES MAXIMUM IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC SECOND LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC FIRST LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL1 THREADED BUSHING WITH PANEL SEAL |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Frequency in Hertz | 50.0 OR 60.0 SECOND LOCATION |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.625 INCHES NOMINAL0.625 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 LOCATIONS |
| Arc Quenching Method | MAGNETIC BLOWOUTMAGNETIC BLOWOUT |
| Nonturn Device Length | 0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.250 INCHES MAXIMUM1.250 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 22 |
| Mounting Surface to Terminal End Distance | 1.780 INCHES MAXIMUM1.780 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 1.0 AMPERES AC SECOND LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES DC FIRST LOCATION |
| Features Provided | HIGH INRUSH PROTECTIONHIGH INRUSH PROTECTION |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 300.0 AC SECOND LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 500.0 DC FIRST LOCATION |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 1.500 INCHES MAXIMUM1.500 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.600 MINIMUM AT 200 PCT AND 6.000 MAXIMUM AT 200 PCT FIRST LOCATION |
| Trip Delay Time in Seconds Per Rated Continuous Current | 1.150 MINIMUM AT 200 PCT AND 7.000 MAXIMUM AT 200 PCT SECOND LOCATION |
| 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 |
|---|---|
| 0N332775-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| AP-12-21074-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-254-6590 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-254-6590: Bushing Length: 0.380 INCHES MAXIMUM0.380 INCHES MAXIMUM IN; Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SECOND 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.