The Circuit Breaker, cataloged under National Stock Number 5925-00-421-9915, 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30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5925-00-421-9915 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Bushing Length | 0.380 INCHES MAXIMUM IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SECOND LOCATION |
| Internal Trip Release Configuration | SERIES TRIP FIRST LOCATION |
| Internal Trip Release Configuration | RELAY TRIP THIRD LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SECOND LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC THIRD LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Actuator Position Designation | AT POLE TWO |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Unpackaged Unit Weight | 4.800 OUNCES NOMINAL OZ |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 115.0 ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.875 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 1.780 INCHES MAXIMUM IN |
| Thread Pitch Diameters | +0.3503 TO 0.3537 INCHES IN |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES AC FIRST LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES AC SECOND LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 1.0 AMPERES DC THIRD LOCATION |
| 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 | 300.0 AC FIRST LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 50.0 DC THIRD LOCATION |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 1.500 INCHES MAXIMUM IN |
| 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 |
|---|---|
| SM-C-587306 | 3/2 Design control — primary reference U.S. Government activity |
| AP114-1834-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-00-421-9915 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-00-421-9915: Bushing Length: 0.380 INCHES MAXIMUM IN; Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SECOND LOCATION; Internal Trip Release Configuration: SERIES TRIP 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.