The Circuit Breaker, cataloged under National Stock Number 5925-00-660-3871, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 30 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5925-00-660-3871 |
| Primary Part Number | 9170381 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Bushing Length | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Actuator Position Designation | AT POLE ONE |
| Ultimate Trip Time Per Pole in Seconds | 10.000 MINIMUM AND 40.000 MAXIMUM SINGLE LOCATION |
| Frequency in Hertz | 400.0 SINGLE LOCATION |
| Unpackaged Unit Weight | 1.800 OUNCES NOMINAL OZ |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 115.0 SINGLE LOCATION |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Precious Material | SILVER |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.625 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.700 INCHES MAXIMUM IN |
| Thread Pitch Diameters | +0.3503 TO 0.3537 INCHES IN |
| Maximum Continuous Load Current Rating Per Pole | 200.0 MILLIAMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 AC SINGLE LOCATION |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 1.750 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | HERMETICALLY SEALED AND SHOCK RESISTANT AND VIBRATION RESISTANT AND FUNGUS RESISTANT AND MOISTURE RESISTANT |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 9170381 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 9073453 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 420B201 | 5/9 Secondary reference U.S. Government activity |
| AP-1-1-42-201 | 5/9 Secondary reference U.S. Government activity |
| SM3-0.2-120AC-57 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| AP1-27240-1 | 5/2 Secondary reference U.S. Government activity |
| 520B201 | 5/9 Secondary reference U.S. Government activity |
NSN 5925-00-660-3871 is a Circuit Breaker, manufactured by Us Army Aviation and Missile Command, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-660-3871 has 2 manufacturer part numbers on file: 9170381 (Us Army Aviation and Missile Command), 9073453 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 3010-00-934-1030. Verify interchangeability with system specifications before substitution.
Key specifications for 9170381: Bushing Length: 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC SINGLE 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.