The Circuit Breaker, cataloged under National Stock Number 5925-01-044-5508, 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 Aviation and Missile Command. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5925-01-044-5508 |
| Primary Part Number | 8899720 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | CANCELLED |
| Body Length | 2.510 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 4.0 AMPERES AC SINGLE LOCATION |
| Inclosure Protection Type for Which Designed | MOISTURE RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SINGLE LOCATION |
| Trip Delay Time in Seconds Per Rated Continuous Current | 2.200 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC SINGLE LOCATION |
| Material | PLASTIC CASE |
| Reset Method | MANUAL |
| Frequency in Hertz | 60.0 SINGLE LOCATION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Terminal Type and Quantity | 2 THREADED STUD |
| Nominal Thread Size | 0.138 INCHES IN |
| Test Data Document | 81349-MIL-C-55629 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.). |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | MAGNETIC SINGLE LOCATION |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Actuator Function | TRIP-RESET |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Specification/standard Data | 81349-MIL-C-55629/1 GOVERNMENT SPECIFICATION |
| Actuator Position Designation | AT POLE ONE |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Fragility Factor | MODERATELY RUGGED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 2.553 INCHES MAXIMUM IN |
| Boss Height | 0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Pole Quantity | 1 |
| Center to Center Distance Between Terminals Parallel to Length | 1.660 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8899720 | Us Army Aviation and Missile Command (USA) |
| MIL-PRF-55629/1F | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M55629/1-038 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-C-55629/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AM12MG3-4AMP117VACCURVE4 | Eaton Corp Heinemann Products Commercial Controls Div (USA) |
| MIL-PRF-55629/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5925-01-044-5508 is a Circuit Breaker, manufactured by Us Army Aviation and Missile Command, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-01-044-5508 has 6 cross-referenced part numbers: 8899720 (Us Army Aviation and Missile Command), MIL-PRF-55629/1F (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M55629/1-038 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-55629/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AM12MG3-4AMP117VACCURVE4 (Eaton Corp Heinemann Products Commercial Controls Div) and 1 more.
There are 3 known substitutes for 5925-01-044-5508: 5925-00-487-1498, 5925-01-005-9799, 5925-01-575-3243. Verify interchangeability with system specifications before substitution.
Key specifications for 8899720: Body Length: 2.510 INCHES MAXIMUM IN; Maximum Continuous Load Current Rating Per Pole: 4.0 AMPERES AC SINGLE LOCATION; Inclosure Protection Type for Which Designed: MOISTURE RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC SINGLE LOCATION. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-01-044-5508 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.