The Circuit Breaker, cataloged under National Stock Number 5925-00-299-2728, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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 | 5925-00-299-2728 |
| Primary Part Number | E1441-50 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | CANCELLED |
| Operating Voltage Type and Rating Per Pole in Volts | 28.0 DC SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1500.0 DC SINGLE LOCATION |
| Actuator Position Designation | AT POLE ONE |
| Terminal Type and Quantity | 2 SCREW |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Actuator Function | TRIP W/SEPARATE RESET |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Inclosure Protection Type for Which Designed | DUSTPROOF |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES DC SINGLE LOCATION |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 138.0 SINGLE LOCATION |
| Trip Delay Time in Seconds Per Rated Continuous Current | 10.000 MINIMUM AT 200 PCT AND 100.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Mounting Surface to Terminal End Distance | 2.000 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals Parallel to Length | 1.188 INCHES NOMINAL IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.817 INCHES MAXIMUM IN |
| Pole Quantity | 1 |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Thread Quantity Per Inch | 32 |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.750 INCHES MAXIMUM IN |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Material | PLASTIC CASE |
| Reset Method | MANUAL |
| Nominal Thread Size | 0.138 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8736K1 | Safran Power Usa, Llc (USA) |
| 9966190 | Us Army Aviation and Missile Command (USA) |
| E1441-50 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| E761100-15 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 8736 PRIMARY | Eaton Corp Opns & Technical Center (USA) |
| 8736K1 | Eaton Corp Opns & Technical Center (USA) |
NSN 5925-00-299-2728 is a Circuit Breaker, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-00-299-2728 has 6 cross-referenced part numbers: 8736K1 (Safran Power Usa, Llc), 9966190 (Us Army Aviation and Missile Command), E1441-50 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), E761100-15 (Lockheed Martin Corporation Div Rotary and Mission Systems), 8736 (Eaton Corp Opns & Technical Center) and 1 more.
There are 3 known substitutes for 5925-00-299-2728: 1560-00-670-2451, 5977-00-902-3624, 6515-01-565-5964. Verify interchangeability with system specifications before substitution.
Key specifications for E1441-50: Operating Voltage Type and Rating Per Pole in Volts: 28.0 DC SINGLE LOCATION; Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 1500.0 DC SINGLE LOCATION; Actuator Position Designation: AT POLE ONE; Terminal Type and Quantity: 2 SCREW. 29 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-00-299-2728 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.