The Circuit Breaker, cataloged under National Stock Number 5925-01-126-4757, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 29 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-126-4757 |
| Primary Part Number | 1396103AE1R0D51 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Unpackaged Unit Weight | 4.250 OUNCES NOMINAL OZ |
| 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 |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| 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 | 2.471 INCHES NOMINAL IN |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 2.500 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND MOISTURE RESISTANT |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 2 THREADED STUD |
| Special Handling Feature | MAGNETIC |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Boss Height | 0.140 INCHES NOMINAL IN |
| Trip Release Method | MAGNETIC-HYDRAULIC SINGLE LOCATION |
| Center to Center Distance Between Terminals Parallel to Length | 1.938 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1396103AE1R0D51 | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| G396183AE1R0D51 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Dba Federal Marketing Group |
| 1396103AE1R0D51 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 1396103AE1R0D51 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| G396183AE1R0D51 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| G396183AE1R0D51 | 3/9 Design control — primary reference Lucent Technologies Inc Advanced Technology Systems |
| 70-390-14MG6 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-01-126-4757 is a Circuit Breaker, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-126-4757 has 1 manufacturer part number on file: 1396103AE1R0D51 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 1396103AE1R0D51: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Actuator Position Designation: AT POLE ONE. 29 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.