The Circuit Breaker, cataloged under National Stock Number 5925-00-581-0391, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Newark Electronics Corporation Dba Newark. Government technical data includes 29 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-581-0391 |
| Primary Part Number | D7271-1-10 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Newark Electronics Corporation Dba Newark |
| Status | ACTIVE |
| Bushing Length | 0.343 INCHES NOMINAL IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 115.0 AC AND 30.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Frequency in Hertz | 400.0 SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 115.0 SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.750 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.312 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 10.0 AMPERES AC AND 10.0 AMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 3500.0 AC AND 4000.0 DC SINGLE LOCATION |
| Nominal Thread Size | 0.468 INCHES IN |
| Body Length | 1.375 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 80.000 MAXIMUM AT 200 PCT AND 6.000 MAXIMUM AT 400 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 PUSH-PULL |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | RESET |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS MAXIMUM SINGLE LOCATION DEGC |
| Terminal Type and Quantity | 2 SCREW |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Center to Center Distance Between Terminals Parallel to Length | 0.906 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 |
|---|---|
| 917371 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| D7271-1-10 PRIMARY | Newark Electronics Corporation Dba Newark (USA) |
NSN 5925-00-581-0391 is a Circuit Breaker, manufactured by Newark Electronics Corporation Dba Newark, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-581-0391 has 2 manufacturer part numbers on file: 917371 (Eaton Aerospace, Llc Dba Jackson South), D7271-1-10 (Newark Electronics Corporation Dba Newark).
1 possible match (shared part number, not a government interchangeability claim): 5925-00-835-4431. Verify interchangeability with system specifications before substitution.
Key specifications for D7271-1-10: Bushing Length: 0.343 INCHES NOMINAL IN; Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 115.0 AC AND 30.0 DC SINGLE LOCATION. 29 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.