The Circuit Breaker, cataloged under National Stock Number 5925-00-175-5237, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Co Electrical Distribution and Control. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-175-5237 |
| Primary Part Number | AT21050 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | General Electric Co Electrical Distribution and Control |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 240.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 122.0 ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Pole Quantity | 2 |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC AND 50.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC AND 5000.0 DC ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 18.000 MINIMUM AT 200 PCT AND 105.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Material | PLASTIC CASE |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 4 THREADED STUD |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL ALL LOCATIONS |
| 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 |
|---|---|
| P7767053P10 | General Electric Co Electrical Distribution and Control (USA) |
| AT21050 PRIMARY | General Electric Co Electrical Distribution and Control (USA) |
| Reference | Meaning |
|---|---|
| 29478 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-00-175-5237 is a Circuit Breaker, manufactured by General Electric Co Electrical Distribution and Control, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-175-5237 has 2 manufacturer part numbers on file: P7767053P10 (General Electric Co Electrical Distribution and Control), AT21050 (General Electric Co Electrical Distribution and Control).
1 possible match (shared part number, not a government interchangeability claim): 6160-01-040-5309. Verify interchangeability with system specifications before substitution.
Key specifications for AT21050: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC AND 240.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S). 17 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.