The Circuit Breaker, cataloged under National Stock Number 5925-01-319-4500, 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12 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5925-01-319-4500 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| 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 |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Body Width | 1.281 INCHES MAXIMUM IN |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 1.828 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 0.1 AMPERES AC AND 0.1 AMPERES DC ALL LOCATIONS |
| Body Length | 1.562 INCHES MAXIMUM IN |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Test Data Document | 81349-MIL-C-39019 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Terminal Type and Quantity | 4 WIRE HOOK |
| 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 |
|---|---|
| M39019/01-303 | 5/9 Secondary reference U.S. Government activity |
| MIL-C-39019/03 | 5/9 Secondary reference U.S. Government activity |
| HM2-Z03-303 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| AP12-M39019/03-303 | 5/1 Secondary reference U.S. Government activity |
| M39019/03-303 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-39019/3 | 4/1 Identification reference U.S. Government activity |
NSN 5925-01-319-4500 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5925-01-391-4986, 5925-01-415-6551, 5925-01-442-7232. Verify interchangeability with system specifications before substitution.
Key specifications for 5925-01-319-4500: 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; Center to Center Distance Between Terminals Parallel to Width: 0.625 INCHES NOMINAL IN; Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE. 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.