The Circuit Breaker, cataloged under National Stock Number 5925-00-946-6879, 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 Sae International Dba Sae International. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5925-00-946-6879 |
| Primary Part Number | MS26574-1/2 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Actuator Function | TRIP-RESET |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 100.0 AC AND 100.0 DC SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 PUSH-PULL |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Inclosure Protection Type for Which Designed | EXPLOSION RESISTANT AND MOISTURE RESISTANT |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 145.0 SINGLE LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 500.0 MILLIAMPERES AC AND 500.0 MILLIAMPERES DC SINGLE LOCATION |
| Reset Method | MANUAL |
| Terminal Type and Quantity | 2 SCREW |
| Operating Voltage Type and Rating Per Pole in Volts | 115.0 AC AND 28.0 DC SINGLE LOCATION |
| Thread Series Designator | UN |
| Frequency in Hertz | 400.0 SINGLE LOCATION |
| Test Data Document | 81349-MIL-C-5809 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.). |
| Actuator Position Designation | AT POLE ONE |
| Nominal Thread Size | 0.438 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Body Width | 0.580 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals Parallel to Length | 0.593 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.420 INCHES MAXIMUM IN |
| Body Length | 0.780 INCHES MAXIMUM IN |
| Bushing Length | 0.359 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7274-2-1/2 | Sensata Technologies, Inc. Div Sensata Attleboro (USA) |
| MIL-C-5809 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS26574-1/2 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| MS26574-1/2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 7S235043 | Koninklijke Fabriek Inventum B.v. (NLD) |
| 5925PL0193787 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| SAE-AS58091 | Sae International Dba Sae International (USA) |
| MS26574-1/2 | Crouzet (FRA) |
| 235043 | Koninklijke Fabriek Inventum B.v. (NLD) |
| MS26574-1/2 PRIMARY | Sae International Dba Sae International (USA) |
NSN 5925-00-946-6879 is a Circuit Breaker, manufactured by Sae International Dba Sae International, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-00-946-6879 has 10 cross-referenced part numbers: 7274-2-1/2 (Sensata Technologies, Inc. Div Sensata Attleboro), MIL-C-5809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS26574-1/2 (Leonardo Spa Helicopters Division - Production Site), MS26574-1/2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 7S235043 (Koninklijke Fabriek Inventum B.v.) and 5 more.
There are 6 known substitutes for 5925-00-946-6879: 1560-00-252-8624, 5925-00-815-3323, 5925-00-823-6138 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS26574-1/2: Actuator Function: TRIP-RESET; Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 100.0 AC AND 100.0 DC SINGLE LOCATION; Manual Actuator Type and Quantity: 1 PUSH-PULL; Main Contact Tripping Mechanism Type: TRIP FREE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-00-946-6879 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.