The Circuit Breaker, cataloged under National Stock Number 5925-00-792-9073, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-792-9073 |
| Primary Part Number | 445D670SUB4SH2-5 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 500.0 AC ALL LOCATIONS |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Switch Voltage Rating and Type in Volts | 450.0 AC |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Pole Quantity | 3 |
| Manual Actuator Type and Quantity | 1 ROTARY |
| Inclosure Protection Type for Which Designed | SHOCKPROOF |
| Actuator Function | RESET |
| Trip Release Ambient Temp Rating | 50.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Auxiliary Switch Function and Quantity | 2 ALARM |
| 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 |
|---|---|
| 445D670SUB4SH2-5 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 445D670SUB4SH2-5 | 3/9 Design control — primary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 900J229SH2ITJ | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 5925-00-792-9073 is a Circuit Breaker, manufactured by Westinghouse Electric Corp, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-792-9073 has 1 manufacturer part number on file: 445D670SUB4SH2-5 (Westinghouse Electric Corp).
Key specifications for 445D670SUB4SH2-5: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 500.0 AC ALL LOCATIONS; Frequency in Hertz: 60.0 ALL LOCATIONS; Switch Voltage Rating and Type in Volts: 450.0 AC. 11 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.