The Circuit Breaker, cataloged under National Stock Number 5925-01-010-8921, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-010-8921 |
| Primary Part Number | 9-1616993-9 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | RELAY TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 200.0 AC AND 28.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Unpackaged Unit Weight | 4.500 POUNDS NOMINAL LBS |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR DIMENSIONAL ENVELOPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Switch Location and Position Designation | INTERNAL AT POLE THREE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.214 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 275.0 AMPERES AC AND 275.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC ALL LOCATIONS |
| Switch Current Rating and Type in Amps | 7.5 AC |
| Inclosure Protection Type for Which Designed | CORROSION RESISTANT AND HUMIDITY RESISTANT AND MOISTURE RESISTANT AND FUNGUS RESISTANT |
| Switch Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Material | PLASTIC CASE |
| Trip Release Ambient Temp Rating | 40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 6 THREADED STUD |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL ALL LOCATIONS |
| Auxiliary Switch Function and Quantity | 1 ALARM |
| 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 |
|---|---|
| 9-1616993-9 | Te Connectivity Corporation (USA) |
| B484D | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9002D30-1 | 5/2 Secondary reference U.S. Government activity |
| 204-13005-3 | 3/2 Design control — primary reference U.S. Government activity |
| 9002D30-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5925-01-010-8921 is a Circuit Breaker, manufactured by Te Connectivity Corporation, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-010-8921 has 2 manufacturer part numbers on file: 9-1616993-9 (Te Connectivity Corporation), B484D (Te Connectivity Corporation).
Key specifications for 9-1616993-9: Reset Method: MANUAL; Internal Trip Release Configuration: RELAY TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 200.0 AC AND 28.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S). 27 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.