The Circuit Breaker, cataloged under National Stock Number 5925-00-864-4293, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-864-4293 |
| Primary Part Number | BUWEPSDWG2286158 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Reset Method | MANUAL |
| Terminal Type and Quantity | 2 THREADED STUD |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Actuator Position Designation | AT POLE ONE |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES DC SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC SINGLE LOCATION |
| Actuator Function | TRIP-RESET |
| Inclosure Protection Type for Which Designed | DUSTPROOF AND FUNGUS PROOF |
| Material | PLASTIC CASE |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.300 MINIMUM AT 200 PCT AND 1.200 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Nominal Thread Size | 0.138 INCHES IN |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Trip Release Method | MAGNETIC-HYDRAULIC SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 2000.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Center to Center Distance Between Terminals Parallel to Length | 3.053 INCHES MINIMUM AND 3.073 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Boss Height | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 3.239 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Fragility Factor | MODERATELY RUGGED |
| Pole Quantity | 1 |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Body Style | SINGLE POLE TYPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2286158 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2286158 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| BUWEPSDWG2286158 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| 50-164-1MG3 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
NSN 5925-00-864-4293 is a Circuit Breaker, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-00-864-4293 has 4 cross-referenced part numbers: 2286158 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2286158 (Eaton Corp Heinemann Products Commercial Controls Div), BUWEPSDWG2286158 (Lockheed Martin Librascope Corporation), 50-164-1MG3 (Eaton Corp Heinemann Products Commercial Controls Div).
There is 1 known substitute for 5925-00-864-4293: 2530-00-753-8726. Verify interchangeability with system specifications before substitution.
Key specifications for BUWEPSDWG2286158: Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION; Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Reset Method: MANUAL; Terminal Type and Quantity: 2 THREADED STUD. 30 total characteristics are documented in the Federal Logistics Information System.