The Circuit Breaker, cataloged under National Stock Number 5925-00-543-7342, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-543-7342 |
| Primary Part Number | 30-072-1 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Bushing Length | 0.250 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 32.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Actuator Position Designation | AT POLE ONE |
| Frequency in Hertz | 400.0 SINGLE LOCATION |
| Unpackaged Unit Weight | 2.000 OUNCES NOMINAL OZ |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 138.0 SINGLE LOCATION |
| Arc Quenching Method | AIR |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.750 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.840 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES AC AND 50.0 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 6000.0 DC SINGLE LOCATION |
| Nominal Thread Size | 0.469 INCHES IN |
| Body Length | 1.094 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 15.000 MINIMUM AT 200 PCT AND 40.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 PUSH-PULL |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Terminal Type and Quantity | 2 TAB W/SCREW |
| 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 |
|---|---|
| 30-072-1 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| 30-072-1 | 3/2 Design control — primary reference U.S. Government activity |
| MP-708H | 5/9 Secondary reference Safran Electrical & Power Usa, Llc Dba Labinal Power Sysyems Use CAGE Code 81640 for Cataloging |
| 507-250-103 | 5/9 Secondary reference Te Connectivity Corporation |
| MP-708H | 5/1 Secondary reference U.S. Government activity |
NSN 5925-00-543-7342 is a Circuit Breaker, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-543-7342 has 1 manufacturer part number on file: 30-072-1 (Leonardo Spa Helicopters Division - Production Site).
2 possible matches (shared part number, not a government interchangeability claim): 5925-00-847-3139, 5970-01-396-4221. Verify interchangeability with system specifications before substitution.
Key specifications for 30-072-1: Bushing Length: 0.250 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 32.0 DC 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.