The Circuit Breaker, cataloged under National Stock Number 5925-01-554-3537, 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 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-554-3537 |
| Primary Part Number | ETN342520U06 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 500.0 AC ALL LOCATIONS |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Circuit Protection Type | UNDERVOLTAGE ALL LOCATIONS |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 400.0 AMPERES AC ALL LOCATIONS |
| 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 |
|---|---|
| ETN342520U06 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
NSN 5925-01-554-3537 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 5925-01-554-3537 has 1 manufacturer part number on file: ETN342520U06 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
Key specifications for ETN342520U06: Operating Voltage Type and Rating Per Pole in Volts: 500.0 AC ALL LOCATIONS; Frequency in Hertz: 60.0 ALL LOCATIONS; Circuit Protection Type: UNDERVOLTAGE ALL LOCATIONS; Pole Quantity: 3. 5 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.