The Circuit Breaker, cataloged under National Stock Number 5925-00-993-4603, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-00-993-4603 |
| Primary Part Number | 8983056-1 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SECOND LOCATION |
| Internal Trip Release Configuration | RELAY TRIP FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 28.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 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 AND TWO LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.060 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.530 INCHES NOMINAL IN |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 2.680 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 120.0 MILLIAMPERES DC SECOND LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 25.0 AMPERES DC FIRST LOCATION |
| Trip Release Characteristic | INSTANTANEOUS AND TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 3000.0 DC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 2.530 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.180 MINIMUM AT 200 PCT AND 0.500 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 2 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.750 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 6 THREADED STUD |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 8983056-1 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 71-118-2MG6 | 3/9 Design control — primary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-00-993-4603 is a Circuit Breaker, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-993-4603 has 1 manufacturer part number on file: 8983056-1 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 8983056-1: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SECOND LOCATION; Internal Trip Release Configuration: RELAY TRIP FIRST LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 28.0 DC ALL LOCATIONS. 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.