The Circuit Breaker, cataloged under National Stock Number 5925-00-443-7811, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 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 | 5925-00-443-7811 |
| Primary Part Number | A-A-55571 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 1.875 INCHES NOMINAL IN |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Actuator Function | TRIP-RESET |
| Material | PLASTIC CASE |
| Operating Voltage Type and Rating Per Pole in Volts | 28.0 DC SINGLE LOCATION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Specification/standard Data | 58536-AA55571/04-009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Series Designator | UNF |
| Actuator Position Designation | AT POLE ONE |
| Reset Method | MANUAL |
| Trip Delay Time in Seconds Per Rated Continuous Current | 8.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Pole Quantity | 1 |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Fragility Factor | MODERATELY RUGGED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.406 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals Parallel to Length | 1.063 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 1.625 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 138.0 SINGLE LOCATION |
| Nominal Thread Size | 0.190 INCHES IN |
| Maximum Continuous Load Current Rating Per Pole | 105.0 AMPERES DC SINGLE LOCATION |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Inclosure Protection Type for Which Designed | FUNGUS PROOF AND SALT SPRAY PROOF AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Unpackaged Unit Weight | 5.000 OUNCES NOMINAL OZ |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-A-55571 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-55571/4 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| M13516/4-9 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-C-13516/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AA55571/04-009 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA55571/04-09 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| M13516/4BI-105 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5925-00-443-7811 is a Circuit Breaker, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-00-443-7811 has 7 cross-referenced part numbers: A-A-55571 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55571/4 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), M13516/4-9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-13516/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA55571/04-009 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 2 more.
There are 12 known substitutes for 5925-00-443-7811: 5925-00-057-5407, 5925-00-109-1785, 5925-00-252-3962 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A-A-55571: Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Body Width: 1.875 INCHES NOMINAL IN; Trip Release Method: THERMAL SINGLE LOCATION; Body Style: SINGLE POLE TYPE. 30 total characteristics are documented in the Federal Logistics Information System.