The Circuit Breaker, cataloged under National Stock Number 5925-01-409-1885, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-409-1885 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 50.0 DC ALL LOCATIONS |
| Frequency in Hertz | 60.0 OR 400.0 ALL LOCATIONS |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 135.0 ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 12.5 AMPERES AC AND 12.5 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 300.0 AC AND 500.0 DC ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.055 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| Auxiliary Switch Function and Quantity | 1 ALARM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M39019/06-251 | 2/2 Government specification standardization U.S. Government activity |
| MIL-C-39019C | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-39019F | 5/9 Secondary reference U.S. Government activity |
| M39019/6-251 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-PRF-39019/6 | 4/1 Identification reference U.S. Government activity |
NSN 5925-01-409-1885 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5925-01-411-3466, 5925-01-411-9726, 5925-01-474-1043. Verify interchangeability with system specifications before substitution.
Key specifications for 5925-01-409-1885: Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC AND 50.0 DC ALL LOCATIONS; Frequency in Hertz: 60.0 OR 400.0 ALL LOCATIONS; Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 135.0 ALL LOCATIONS. 12 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.