The Circuit Breaker, cataloged under National Stock Number 5925-01-526-3022, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-526-3022 |
| Primary Part Number | ETN319910 |
| 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 | 450.0 AC ALL LOCATIONS |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Maximum Continuous Load Current Rating Per Pole | 250.0 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 |
|---|---|
| ETN319910 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 302-7577657 ITEM NO-40 | Naval Sea Systems Command (USA) |
NSN 5925-01-526-3022 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 5925-01-526-3022 has 2 manufacturer part numbers on file: ETN319910 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 302-7577657 ITEM NO-40 (Naval Sea Systems Command).
Key specifications for ETN319910: Operating Voltage Type and Rating Per Pole in Volts: 450.0 AC ALL LOCATIONS; Frequency in Hertz: 400.0 ALL LOCATIONS; Maximum Continuous Load Current Rating Per Pole: 250.0 AMPERES AC ALL LOCATIONS; End Item Identification: MTR OPER CIRC BREAKER 302-7577657 ITEM 2. 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.