The Circuit Breaker, cataloged under National Stock Number 5925-01-318-4436, 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 Westinghouse Electric Corp. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5925-01-318-4436 |
| Primary Part Number | 1299222 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| Status | CANCELLED |
| Maximum Continuous Load Current Rating Per Pole | 100.0 AMPERES AC ALL LOCATIONS |
| Thread Series Designator | UNF |
| Body Width | 4.125 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Body Length | 6.500 INCHES NOMINAL IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 2.938 INCHES NOMINAL IN |
| Boss Height | 0.187 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Pole Quantity | 3 |
| Center to Center Distance Between Terminals Parallel to Width | 1.125 INCHES NOMINAL IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Center to Center Distance Between Terminals Parallel to Length | 2.625 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Mounting Facility Type and Quantity | 2 THREADED STUD(S) |
| Fragility Factor | MODERATELY RUGGED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 0.625 INCHES NOMINAL IN |
| Actuator Function | TRIP-RESET |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Trip Delay Time in Seconds Per Rated Continuous Current | 500.000 MINIMUM AT 200 PCT AND 1400.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| Inclosure Protection Type for Which Designed | DUSTPROOF |
| Terminal Type and Quantity | 6 QUICK DISCONNECT, FEMALE |
| Operating Voltage Type and Rating Per Pole in Volts | 500.0 AC ALL LOCATIONS |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Body Height | 4.125 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Test Data Document | 81349-MIL-C-17361 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.). |
| Specification/standard Data | 81349-MIL-C-17361 GOVERNMENT SPECIFICATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC ALL LOCATIONS |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1299222 | Westinghouse Electric Corp (USA) |
| 302-6293694 PC 37 | Naval Sea Systems Command (USA) |
| 1299222 | Westinghouse Electric Corp Control Business Unit |
| AQB-A101 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| 375D413G15 | Westinghouse Electric Corp Control Business Unit |
| AQB-A101-100 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-C-17361/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| S458D509G15 | Westinghouse Electric Corp Control Business Unit |
| ETN-2744 | I-T-E Imperial Corp Sub of Gould Inc Distribution and Controls Div (USA) |
| 458D509G15 | Westinghouse Electric Corp Control Business Unit |
| 5925PL0991490 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 375D413G15 | Eaton Corporation Dba Eaton Inoac (USA) |
| MIL-DTL-17361/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5925-01-318-4436 is a Circuit Breaker, manufactured by Westinghouse Electric Corp, classified under FSC 5925 (No Item Name Available). Status: cancelled.
NSN 5925-01-318-4436 has 13 cross-referenced part numbers: 1299222 (Westinghouse Electric Corp), 302-6293694 PC 37 (Naval Sea Systems Command), 1299222 (Westinghouse Electric Corp Control Business Unit), AQB-A101 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), 375D413G15 (Westinghouse Electric Corp Control Business Unit) and 8 more.
There are 10 known substitutes for 5925-01-318-4436: 5925-00-492-7905, 5925-00-867-7328, 5925-00-867-7329 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1299222: Maximum Continuous Load Current Rating Per Pole: 100.0 AMPERES AC ALL LOCATIONS; Thread Series Designator: UNF; Body Width: 4.125 INCHES NOMINAL IN; Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5925-01-318-4436 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.