The Circuit Breaker, cataloged under National Stock Number 5925-01-040-8957, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5925-01-040-8957 |
| Primary Part Number | MIL-C-39019/5 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 300.0 AC AND 500.0 DC ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Reset Method | MANUAL |
| Specification/standard Data | 81349-MIL-C-39019/5 GOVERNMENT SPECIFICATION |
| Actuator Position Designation | AT POLE TWO |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Thread Series Designator | UNEF |
| Actuator Function | TRIP-RESET |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 115.0 ALL LOCATIONS |
| 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.). |
| Unpackaged Unit Weight | 150.0 GRAMS NOMINAL G |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 50.0 DC ALL LOCATIONS |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Terminal Type and Quantity | 6 WIRE HOOK |
| Maximum Continuous Load Current Rating Per Pole | 8.0 AMPERES AC AND 8.0 AMPERES DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Fragility Factor | MODERATELY RUGGED |
| Pole Quantity | 3 |
| Center to Center Distance Between Terminals Parallel to Width | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals Parallel to Length | 0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Mounting Surface to Terminal End Distance | 1.797 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-C-39019/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-39019/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M39019/05-243 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M39019-5-110 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| HB3Z1-110 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| AP112 | Sensata Technologies Maryland, Inc (USA) |
NSN 5925-01-040-8957 is a Circuit Breaker, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-01-040-8957 has 6 cross-referenced part numbers: MIL-C-39019/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39019/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39019/05-243 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39019-5-110 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), HB3Z1-110 (Eaton Corp Heinemann Products Commercial Controls Div) and 1 more.
There are 2 known substitutes for 5925-01-040-8957: 3030-00-529-0492, 4330-00-724-0520. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-C-39019/5: Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 300.0 AC AND 500.0 DC ALL LOCATIONS; Circuit Protection Type: OVERCURRENT ALL LOCATIONS; Reset Method: MANUAL; Specification/standard Data: 81349-MIL-C-39019/5 GOVERNMENT SPECIFICATION. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-01-040-8957 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.