The Circuit Breaker, cataloged under National Stock Number 5925-01-377-1982, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-377-1982 |
| Primary Part Number | 6508715 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SECOND LOCATION |
| Internal Trip Release Configuration | SERIES TRIP THIRD LOCATION |
| Internal Trip Release Configuration | SERIES TRIP FOURTH LOCATION |
| Internal Trip Release Configuration | RELAY TRIP FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Frequency in Hertz | 50.0 OR 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 1.026 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE, TWO, THREE, AND FOUR LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.750 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 4.184 INCHES NOMINAL IN |
| Pole Quantity | 4 |
| Mounting Surface to Terminal End Distance | 3.541 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 5.125 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 3.000 MINIMUM AT 200 PCT AND 12.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 4 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.026 INCHES NOMINAL IN |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 10 THREADED STUD |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| 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 |
|---|---|
| 6508715 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| CD4-A16A3A3A3-DU-50-2-DUCON 28 V | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-01-377-1982 is a Circuit Breaker, manufactured by Naval Sea Systems Command, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-377-1982 has 1 manufacturer part number on file: 6508715 (Naval Sea Systems Command).
Key specifications for 6508715: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SECOND LOCATION; Internal Trip Release Configuration: SERIES TRIP THIRD LOCATION; Internal Trip Release Configuration: SERIES TRIP FOURTH LOCATION. 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.