The Circuit Breaker, cataloged under National Stock Number 5925-00-876-4040, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5925-00-876-4040 |
| Primary Part Number | 10105420 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 208.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Switch Terminal Type | TAB, SOLDER LUG |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Switch Voltage Rating and Type in Volts | 115.0 AC AND 28.0 DC |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 150.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE, TWO, AND THREE LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Switch Location and Position Designation | EXTERNAL AT POLE THREE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 3.042 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 3.239 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 1.0 AMPERES AC THIRD LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 2000.0 MILLIAMPERES AC FIRST LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 250.0 MILLIAMPERES AC SECOND LOCATION |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1500.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 3.709 INCHES MINIMUM AND 3.042 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Switch Current Rating and Type in Amps | 5.0 AC AND 5.0 DC |
| 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 |
|---|---|
| 10105420 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 3XAM1516HEMG3-1A416VAC400C12 | Heinemann Electric Canada Incdivision of Eaton Corp (CAN) |
| 10105420 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 3XAM1516HEMG3-1A416VAC400C12 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 53-210-1MG3 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 3XAM1516HKMG3-1-416VAC400HZ2 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 10105420 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5925-00-876-4040 is a Circuit Breaker, manufactured by Us Army Aviation and Missile Command, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-876-4040 has 3 manufacturer part numbers on file: 10105420 (Us Army Aviation and Missile Command), 3XAM1516HEMG3-1A416VAC400C12 (Heinemann Electric Canada Incdivision of Eaton Corp), 10105420 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-107-6896. Verify interchangeability with system specifications before substitution.
Key specifications for 10105420: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 208.0 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.