The Circuit Breaker, cataloged under National Stock Number 5925-00-258-4087, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-258-4087 |
| Primary Part Number | 116106 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Reset Method | AUTOMATIC |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 230.0 AC AND 230.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Frequency in Hertz | 60.0 SINGLE LOCATION |
| Adjustable Trip Setting Current Range Per Pole in Amps | +0.5 TO 2.0 AC AND +0.5 TO 2.0 DC SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 500.0 MILLIAMPERES AC AND 500.0 MILLIAMPERES DC SINGLE LOCATION |
| Features Provided | ADJUSTABLE TRIP RELEASE |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 230.0 AC AND 125.0 DC SINGLE LOCATION |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 2 THREADED STUD |
| Thread Series Designator | UNF |
| Trip Release Method | MAGNETIC SINGLE LOCATION |
| 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 |
|---|---|
| 116106 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 29140 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-00-258-4087 is a Circuit Breaker, manufactured by Westinghouse Electric Corp, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-258-4087 has 1 manufacturer part number on file: 116106 (Westinghouse Electric Corp).
5 possible matches (shared part number, not a government interchangeability claim): 1650-00-348-6332, 4320-00-629-5114, 5330-00-868-9076. Verify interchangeability with system specifications before substitution.
Key specifications for 116106: Reset Method: AUTOMATIC; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 230.0 AC AND 230.0 DC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 THREADED HOLE(S). 16 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.