The Circuit Breaker, cataloged under National Stock Number 5925-01-328-5267, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-328-5267 |
| Primary Part Number | 1668AS414-1 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC FIRST LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SECOND LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 480.0 AC FOURTH LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 480.0 AC THIRD LOCATION |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Unpackaged Unit Weight | 2.438 POUNDS NOMINAL LBS |
| Center to Center Distance Between Terminals Parallel to Width | 1.026 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| External Actuator Linkage Arrangement | ONE, TWO, THREE, AND FOUR LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.750 INCHES NOMINAL IN |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 4.144 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 4 |
| Mounting Surface to Terminal End Distance | 3.550 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC FIRST LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 25.0 AMPERES AC FOURTH LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 25.0 AMPERES AC THIRD LOCATION |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC SECOND LOCATION |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 5.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1668AS414-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 219-4-22134-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-01-328-5267 is a Circuit Breaker, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-328-5267 has 1 manufacturer part number on file: 1668AS414-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1668AS414-1: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC FIRST LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC SECOND LOCATION. 30 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.