The Circuit Breaker, cataloged under National Stock Number 5925-01-643-6399, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5925-01-643-6399 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 48.0 DC SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 200.0 AMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | INSTANTANEOUS SINGLE LOCATION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL SINGLE 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 |
|---|---|
| 7149 | 3/9 Design control — primary reference Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems |
| 10406893 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5925-01-643-6399 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-643-6399: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 48.0 DC SINGLE LOCATION; Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Pole Quantity: 1. 8 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.