The Circuit Breaker, cataloged under National Stock Number 5925-01-034-9175, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 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 | 5925-01-034-9175 |
| Primary Part Number | SMD557971-2 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | CANCELLED |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 50.0 DC ALL LOCATIONS |
| Test Data Document | 81349-MIL-PRF-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.). |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Thread Series Designator | UNEF |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 300.0 AC AND 500.0 DC ALL LOCATIONS |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Reset Method | MANUAL |
| Actuator Function | TRIP-RESET |
| Specification/standard Data | 81349-MIL-PRF-39019/3 GOVERNMENT SPECIFICATION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Terminal Type and Quantity | 4 WIRE HOOK |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| Maximum Continuous Load Current Rating Per Pole | 15.0 AMPERES AC AND 15.0 AMPERES DC ALL LOCATIONS |
| Bushing Length | 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 1.828 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Pole Quantity | 2 |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| 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 | 0.906 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SMD557971-2 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| M39019-03-68 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M39019-3-70 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-39019/3 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 78-138-1 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| MIL-C-39019/3-255 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M39019/03-255 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-C-39019/3 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 5925PL0931286 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| SM3315A250V60HZ | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| AP12-4808-2 | Sensata Technologies Maryland, Inc (USA) |
| SM33-15-240VAC47-400CPS1 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| MS39019-3-68 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5925-01-034-9175 is a Circuit Breaker, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-01-034-9175 has 13 cross-referenced part numbers: SMD557971-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), M39019-03-68 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39019-3-70 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39019/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 78-138-1 (Eaton Corp Heinemann Products Commercial Controls Div) and 8 more.
There are 2 known substitutes for 5925-01-034-9175: 5305-00-018-1381, 4820-00-861-0567. Verify interchangeability with system specifications before substitution.
Key specifications for SMD557971-2: Circuit Protection Type: OVERCURRENT ALL LOCATIONS; Nominal Thread Size: 0.375 INCHES IN; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC AND 50.0 DC ALL LOCATIONS; Test Data Document: 81349-MIL-PRF-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.).. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-01-034-9175 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.