The Circuit Breaker, cataloged under National Stock Number 5925-01-073-0849, 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 Scientific Atlanta Inc. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-073-0849 |
| Primary Part Number | 191537 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Scientific Atlanta Inc |
| Status | ACTIVE |
| Body Width | 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Maximum Continuous Load Current Rating Per Pole | 4.0 AMPERES AC AND 4.0 AMPERES DC ALL LOCATIONS |
| Terminal Type and Quantity | 4 WIRE HOOK |
| Unpackaged Unit Weight | 100.0 GRAMS NOMINAL G |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| Specification/standard Data | 81349-MIL-PRF-39019/3 GOVERNMENT SPECIFICATION |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| Actuator Position Designation | BETWEEN POLE ONE AND TWO |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNEF |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 50.0 DC ALL LOCATIONS |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Actuator Function | TRIP-RESET |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 300.0 AC AND 500.0 DC ALL LOCATIONS |
| Reset Method | MANUAL |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY 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.). |
| Thread Quantity Per Inch | 32 |
| Center to Center Distance Between Terminals Parallel to Width | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 1.797 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Center to Center Distance Between Terminals Parallel to Length | 0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN |
| Pole Quantity | 2 |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 191537 | Scientific Atlanta Inc (USA) |
| MIL-PRF-39019/3 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MC39019/3-228 | 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 |
| M39019/03-228 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20006-1 | Ocean Technology Inc (USA) |
NSN 5925-01-073-0849 is a Circuit Breaker, manufactured by Scientific Atlanta Inc, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-01-073-0849 has 6 cross-referenced part numbers: 191537 (Scientific Atlanta Inc), MIL-PRF-39019/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MC39019/3-228 (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), M39019/03-228 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.
There are 12 known substitutes for 5925-01-073-0849: 5935-00-072-8198, 5905-00-228-0685, 5961-00-435-3679 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 191537: Body Width: 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN; Frequency in Hertz: 400.0 ALL LOCATIONS; Nominal Thread Size: 0.375 INCHES IN; Maximum Continuous Load Current Rating Per Pole: 4.0 AMPERES AC AND 4.0 AMPERES DC ALL LOCATIONS. 30 total characteristics are documented in the Federal Logistics Information System.