The Circuit Breaker, cataloged under National Stock Number 5925-00-109-1785, 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 Department of the Air Force. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5925-00-109-1785 |
| Primary Part Number | 43A8304 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Department of the Air Force |
| Status | CANCELLED |
| Actuator Position Designation | AT POLE ONE |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Thread Quantity Per Inch | 32 |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.344 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals Parallel to Length | 1.234 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 130.0 SINGLE LOCATION |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Function | RESET |
| Operating Voltage Type and Rating Per Pole in Volts | 30.0 DC SINGLE LOCATION |
| Inclosure Protection Type for Which Designed | DUSTPROOF |
| Terminal Type and Quantity | 2 TAB W/SCREW |
| Thread Series Designator | UNS |
| Reset Method | MANUAL |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Specification/standard Data | 58536-AA55571/06-003 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES DC SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Trip Delay Time in Seconds Per Rated Continuous Current | 10.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 575.0 DC SINGLE LOCATION |
| Body Length | 1.312 INCHES NOMINAL IN |
| Body Width | 0.703 INCHES NOMINAL IN |
| Bushing Length | 0.250 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 43A8304 | Department of the Air Force (USA) |
| AA55571/06-003 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-55571/6 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA55571 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| PSM20 | Sensata Technologies, Inc. Div Sensata Attleboro (USA) |
NSN 5925-00-109-1785 is a Circuit Breaker, manufactured by Department of the Air Force, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-00-109-1785 has 5 cross-referenced part numbers: 43A8304 (Department of the Air Force), AA55571/06-003 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55571/6 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55571 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), PSM20 (Sensata Technologies, Inc. Div Sensata Attleboro).
There are 9 known substitutes for 5925-00-109-1785: 5925-00-295-5460, 5925-00-333-1584, 5925-00-443-7811 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 43A8304: Actuator Position Designation: AT POLE ONE; Storage Type: GENERAL PURPOSE WAREHOUSE; Thread Quantity Per Inch: 32; Pole Quantity: 1. 29 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-00-109-1785 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.