The Circuit Breaker, cataloged under National Stock Number 5925-01-480-4146, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5925-01-480-4146 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Bushing Length | 0.380 INCHES MAXIMUM IN |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 50.0 DC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 135.0 FIRST LOCATION |
| Body Width | 1.281 INCHES MAXIMUM IN |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 1.780 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 7.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY FIRST LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 245.0 AC AND 52.000 DC ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Specification/standard Data | 14933-87056B GOVERNMENT SPECIFICATION |
| Body Length | 1.562 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Terminal Type and Quantity | 4 WIRE HOOK |
| Thread Series Designator | UNEF |
| Trip Release Method | THERMAL-MAGNETIC ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Length | 0.875 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 |
| Reference | Meaning |
|---|---|
| AP12-87056-029 | 3/2 Design control — primary reference U.S. Government activity |
| 87056 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 87056-29 | 7/2 Vendor item drawing reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
NSN 5925-01-480-4146 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5925-01-526-9074, 5925-01-553-0375. Verify interchangeability with system specifications before substitution.
Key specifications for 5925-01-480-4146: Bushing Length: 0.380 INCHES MAXIMUM IN; Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC AND 50.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 1 THREADED BUSHING WITH PANEL SEAL. 22 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.