The Circuit Breaker, cataloged under National Stock Number 5925-01-262-2893, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corp Div Space. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-262-2893 |
| Primary Part Number | 23036451P1 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Lockheed Martin Corp Div Space |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SECOND LOCATION |
| Internal Trip Release Configuration | SERIES TRIP FIRST LOCATION |
| Internal Trip Release Configuration | RELAY TRIP FOURTH LOCATION |
| Internal Trip Release Configuration | SERIES TRIP THIRD LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC SECOND LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC THIRD LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 12.0 AC FOURTH LOCATION |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Unpackaged Unit Weight | 12.500 OUNCES NOMINAL OZ |
| Center to Center Distance Between Terminals Parallel to Width | 0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| 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 | 2.030 INCHES MINIMUM AND 2.094 INCHES MAXIMUM IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 2.968 INCHES MINIMUM AND 3.032 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 4 |
| Mounting Surface to Terminal End Distance | 2.688 INCHES MINIMUM AND 2.752 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY FIRST LOCATION |
| Trip Release Characteristic | TIME DELAY THIRD LOCATION |
| Trip Release Characteristic | TIME DELAY SECOND LOCATION |
| Trip Release Characteristic | INSTANTANEOUS FOURTH LOCATION |
| 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 |
|---|---|
| AM4R-A3A3A3A6-LC07D-A-20-3/12ACP | Heinemann Electric Canada Incdivision of Eaton Corp (CAN) |
| 23036451P1 PRIMARY | Lockheed Martin Corp Div Space (USA) |
| Reference | Meaning |
|---|---|
| AM4-A3A3A3A6-PL 1,2,3,20A-3PL41- | 5/1 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| AM4-Z200-1 | 3/9 Design control — primary reference Eaton Corp Heinemann Products Commercial Controls Div |
| 47A521719P19 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures |
| AM4-A3A3A3A6-20-3-RELAY 12VAC-P | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| AM1-200-1 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
NSN 5925-01-262-2893 is a Circuit Breaker, manufactured by Lockheed Martin Corp Div Space, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-262-2893 has 2 manufacturer part numbers on file: AM4R-A3A3A3A6-LC07D-A-20-3/12ACP (Heinemann Electric Canada Incdivision of Eaton Corp), 23036451P1 (Lockheed Martin Corp Div Space).
Key specifications for 23036451P1: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SECOND LOCATION; Internal Trip Release Configuration: SERIES TRIP FIRST LOCATION; Internal Trip Release Configuration: RELAY 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.