The Circuit Breaker, cataloged under National Stock Number 5925-00-272-8959, 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 Westinghouse Electric Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-272-8959 |
| Primary Part Number | 1357533 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 120.0 AC SINGLE LOCATION |
| Trip Delay Time in Seconds Per Rated Continuous Current | 18.000 MINIMUM AT 200 PCT AND 33.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Material | PLASTIC CASE |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC SINGLE LOCATION |
| Reset Method | MANUAL |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Frequency in Hertz | 60.0 SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Pole Quantity | 11 |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S)2 UNTHREADED HOLE(S) |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC SINGLE LOCATION |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Actuator Function | RESET |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Terminal Type and Quantity | 2 THREADED STUD |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Trip Release Ambient Temp Rating | 20.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5925-00-272-8959 is a Circuit Breaker, manufactured by Westinghouse Electric Corp, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-00-272-8959 has 2 cross-referenced part numbers: 1357533 (Westinghouse Electric Corp), PT20 (Westinghouse Electric Corp).
There are 2 known substitutes for 5925-00-272-8959: 6670-01-383-7882, 4940-01-440-0879. Verify interchangeability with system specifications before substitution.
Key specifications for 1357533: Operating Voltage Type and Rating Per Pole in Volts: 120.0 AC SINGLE LOCATION; Trip Delay Time in Seconds Per Rated Continuous Current: 18.000 MINIMUM AT 200 PCT AND 33.000 MAXIMUM AT 200 PCT SINGLE LOCATION; Material: PLASTIC CASE; Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 5000.0 AC SINGLE LOCATION. 18 total characteristics are documented in the Federal Logistics Information System.