The Circuit Breaker, cataloged under National Stock Number 5925-01-644-3898, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-644-3898 |
| Primary Part Number | 1492-SPM1D400-N |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 277.0 AC ALL LOCATIONS |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 40.0 AMPERES AC ALL LOCATIONS |
| 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 |
|---|---|
| 1492-SPM1D400-N PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 1492-SP1D400-N | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| 1492-SP1D400-N | 3/9 Design control — primary reference Allen Bradley Co |
NSN 5925-01-644-3898 is a Circuit Breaker, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-644-3898 has 1 manufacturer part number on file: 1492-SPM1D400-N (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for 1492-SPM1D400-N: Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC AND 277.0 AC ALL LOCATIONS; Pole Quantity: 1; Maximum Continuous Load Current Rating Per Pole: 40.0 AMPERES AC ALL LOCATIONS; Special Features: DESCRIPTION: ONE POLE PLUS NEUTRAL. 3 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.