The Circuit Breaker, cataloged under National Stock Number 5925-01-228-3033, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5925-01-228-3033 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Bushing Length | 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Reset Method | MANUAL |
| 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 |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Actuator Position Designation | AT POLE TWO |
| Switch Terminal Type | PIN |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Unpackaged Unit Weight | 150.0 GRAMS NOMINAL G |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL IN |
| Nonturn Device Width | 0.125 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.325 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Switch Voltage Rating and Type in Volts | 120.0 AC AND 50.0 DC |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Switch Location and Position Designation | INTERNAL AT POLE THREE |
| Nonturn Device Length | 0.125 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.937 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 1.828 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 4.0 AMPERES AC AND 4.0 AMPERES DC ALL LOCATIONS |
| Features Provided | HIGH INRUSH PROTECTION |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 500.0 AC AND 300.0 DC ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Specification/standard Data | 81349-MIL-C-39019/6 GOVERNMENT SPECIFICATION |
| 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 |
|---|---|
| M39019/06-319 | 2/2 Government specification standardization U.S. Government activity |
| M39016-06-319 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-PRF-39019/6G | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-39019/6 | 4/1 Identification reference U.S. Government activity |
| MIL-C-39019/6 | 5/9 Secondary reference U.S. Government activity |
| ASC1539012 | 5/9 Secondary reference Asc Pty Ltd |
NSN 5925-01-228-3033 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5925-01-293-9931, 5925-01-294-8331, 5925-01-429-0327. Verify interchangeability with system specifications before substitution.
Key specifications for 5925-01-228-3033: Bushing Length: 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Reset Method: MANUAL; 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. 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.