The Circuit Breaker, cataloged under National Stock Number 5925-01-471-5111, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-471-5111 |
| Primary Part Number | ETN3120 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Precious Material and Location | MAIN CONTACTS COMPOSED OF SILVER ALLOY SILVER |
| Material | PLASTIC CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 45-1280 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| ETN3120 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 6977ED44PC7 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| ETN3100 | 5/9 Secondary reference L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
NSN 5925-01-471-5111 is a Circuit Breaker, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-471-5111 has 3 manufacturer part numbers on file: 45-1280 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), ETN3120 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 6977ED44PC7 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
Key specifications for ETN3120: Trip Release Characteristic: INSTANTANEOUS ALL LOCATIONS; Precious Material and Location: MAIN CONTACTS COMPOSED OF SILVER ALLOY SILVER; End Item Identification: SUB ENGINEERING AND DIESEL SYSTEMS; Material: PLASTIC CASE. 3 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.