The Circuit Breaker, cataloged under National Stock Number 5925-01-497-1928, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-497-1928 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| 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 ALL LOCATIONS |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Ultimate Trip Time Per Pole in Seconds | 0.800 MINIMUM AND 7.000 MAXIMUM ALL LOCATIONS |
| Switch Terminal Type | PIN |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 0.996 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Switch Voltage Rating and Type in Volts | 250.0 AC AND 50.0 DC |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 1000.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE, TWO, AND THREE LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.750 INCHES NOMINAL IN |
| Switch Location and Position Designation | INTERNAL AT POLE ONE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 3.108 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 3.460 INCHES MINIMUM AND 3.580 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 50.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Specification/standard Data | 81349-MIL-C-55629/17 GOVERNMENT SPECIFICATION |
| Body Length | 5.125 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.150 MINIMUM AT 200 PCT AND 1.000 MAXIMUM AT 200 PCT AND 0.032 MINIMUM AT 400 PCT AND 0.250 MAXIMUM AT 400 PCT AND 0.110 MAXIMUM AT 800 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Switch Current Rating and Type in Amps | 5.0 AC AND 1.0 DC |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.026 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND MOISTURE RESISTANT AND SALT WATER RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-C-55629/17 | 4/1 Identification reference U.S. Government activity |
| 462-7068566-99 | 5/1 Secondary reference Naval Sea Systems Command |
| M55629/17CQCQCQ | 2/2 Government specification standardization U.S. Government activity |
| 7068566 | D/9 Drawing number reference only Naval Sea Systems Command |
| H851-2001-99 | 5/1 Secondary reference U.S. Government activity |
NSN 5925-01-497-1928 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-497-1928: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 6 THREADED HOLE(S). 30 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.