The Circuit Breaker, cataloged under National Stock Number 5925-00-581-6021, 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 Eaton Corp Heinemann Products Commercial Controls Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 5925-00-581-6021 |
| Primary Part Number | PCB641 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Eaton Corp Heinemann Products Commercial Controls Div |
| Status | ACTIVE |
| Body Width | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Body Length | 5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM IN |
| Boss Height | 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Special Handling Feature | MAGNETIC |
| Pole Quantity | 2 |
| Unthreaded Mounting Hole Diameter | 0.190 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) AND 4 THREADED HOLE(S) |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Center to Center Distance Between Terminals Parallel to Width | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 4.349 INCHES MINIMUM AND 4.369 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Thread Quantity Per Inch | 32 |
| Center to Center Distance Between Terminals Parallel to Length | 4.349 INCHES MINIMUM AND 4.369 INCHES MAXIMUM IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| Reset Method | MANUAL |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC ALL LOCATIONS |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Maximum Continuous Load Current Rating Per Pole | 32.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Nominal Thread Size | 0.164 INCHES IN |
| Trip Release Method | MAGNETIC-HYDRAULIC ALL LOCATIONS |
| Material | PLASTIC CASE |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC ALL LOCATIONS |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Actuator Function | TRIP-RESET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PCB641 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| SW164 | The Technical Material Corporation Dba T M C (USA) |
| 61-593BMG4-16-32 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
NSN 5925-00-581-6021 is a Circuit Breaker, manufactured by Eaton Corp Heinemann Products Commercial Controls Div, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-00-581-6021 has 3 cross-referenced part numbers: PCB641 (Eaton Corp Heinemann Products Commercial Controls Div), SW164 (The Technical Material Corporation Dba T M C), 61-593BMG4-16-32 (Eaton Corp Heinemann Products Commercial Controls Div).
There is 1 known substitute for 5925-00-581-6021: 5930-01-225-1159. Verify interchangeability with system specifications before substitution.
Key specifications for PCB641: Body Width: 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN; Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE; Body Length: 5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM IN; Boss Height: 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.