The Circuit Breaker, cataloged under National Stock Number 5925-00-407-2192, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5925-00-407-2192 |
| Primary Part Number | 990C780H17 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 115.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Ultimate Trip Time Per Pole in Seconds | 80.000 MAXIMUM SINGLE LOCATION |
| Switch Terminal Type | TAB, SOLDER LUG |
| Frequency in Hertz | 60.0 SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.062 INCHES NOMINAL IN |
| Switch Location and Position Designation | INTERNAL AT POLE ONE |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.750 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 2.764 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 5.0 AMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC SINGLE LOCATION |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 2.500 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 1.400 MINIMUM AT 200 PCT AND 10.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Switch Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | RESET |
| Terminal Type and Quantity | 2 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 |
|---|---|
| 990C780H17 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 70-342-9 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| APL1R1195-17 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-00-407-2192 is a Circuit Breaker, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-407-2192 has 1 manufacturer part number on file: 990C780H17 (Northrop Grumman Systems Corporation Dba Electronic Systems).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-066-4909. Verify interchangeability with system specifications before substitution.
Key specifications for 990C780H17: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 115.0 AC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 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.