The Circuit Breaker, cataloged under National Stock Number 5925-01-496-8158, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-496-8158 |
| Primary Part Number | ETN-345210S31 |
| 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 |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Body Width | 9.000 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 10.437 INCHES NOMINAL IN |
| Body Length | 17.938 INCHES NOMINAL IN |
| Switch Current Rating and Type in Amps | 400.0 AC |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 2.625 INCHES NOMINAL IN |
| Switch Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY CLOSED |
| Trip Release Ambient Temp Rating | 50.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 3 SCREW |
| Center to Center Distance Between Terminals Parallel to Length | 15.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 117649 REV D | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| ETN-345210S31 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| SEE REMARKS, REPLACED BY 0040747 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5925-01-496-8158 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 5925-01-496-8158 has 3 manufacturer part numbers on file: 117649 REV D (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), ETN-345210S31 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), SEE REMARKS, REPLACED BY 0040747 (Naval Inventory Control Point Mechanicsburg).
Key specifications for ETN-345210S31: Operating Voltage Type and Rating Per Pole in Volts: 500.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Frequency in Hertz: 60.0 ALL LOCATIONS; Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE. 14 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.