The Circuit Breaker, cataloged under National Stock Number 5925-01-020-3678, 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 Ampex Data Systems Corp Computer Products Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-020-3678 |
| Primary Part Number | 126-153 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Ampex Data Systems Corp Computer Products Div |
| Status | ACTIVE |
| Maximum Continuous Load Current Rating Per Pole | 10.0 AMPERES AC ALL LOCATIONS |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 1.000 MINIMUM AT 200 PCT AND 4.500 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Thread Series Designator | UNEF |
| Reset Method | MANUAL |
| Terminal Type and Quantity | 6 WIRE HOOK |
| Actuator Function | TRIP-RESET |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 350.0 AC ALL LOCATIONS |
| Body Width | 1.872 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 300.0 AC ALL LOCATIONS |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 150.0 ALL LOCATIONS |
| Trip Release Method | MAGNETIC-HYDRAULIC ALL LOCATIONS |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Inclosure Protection Type for Which Designed | DUSTPROOF |
| Actuator Position Designation | AT POLE TWO |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Body Length | 1.495 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 1.678 INCHES NOMINAL IN |
| Special Handling Feature | MAGNETIC |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Center to Center Distance Between Terminals Parallel to Length | 0.875 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SM333-10-350-400-1 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| 126-153 PRIMARY | Ampex Data Systems Corp Computer Products Div (USA) |
NSN 5925-01-020-3678 is a Circuit Breaker, manufactured by Ampex Data Systems Corp Computer Products Div, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-01-020-3678 has 2 cross-referenced part numbers: SM333-10-350-400-1 (Eaton Corp Heinemann Products Commercial Controls Div), 126-153 (Ampex Data Systems Corp Computer Products Div).
There are 6 known substitutes for 5925-01-020-3678: 5905-00-177-7182, 2810-00-395-5500, 5935-00-665-7564 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 126-153: Maximum Continuous Load Current Rating Per Pole: 10.0 AMPERES AC ALL LOCATIONS; Main Contact Tripping Mechanism Type: TRIP FREE; Trip Release Characteristic: TIME DELAY ALL LOCATIONS; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS. 30 total characteristics are documented in the Federal Logistics Information System.