The Circuit Breaker, cataloged under National Stock Number 5925-01-480-4125, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5925-01-480-4125 |
| Primary Part Number | 87056-028 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 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 | 6.0 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 |
| Part Number | Manufacturer |
|---|---|
| 87056-028 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| AP12-87056-028 | 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) |
NSN 5925-01-480-4125 is a Circuit Breaker, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-480-4125 has 1 manufacturer part number on file: 87056-028 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
3 possible matches (shared part number, not a government interchangeability claim): 5925-01-480-4146, 5925-01-526-9074, 5925-01-553-0375. Verify interchangeability with system specifications before substitution.
Key specifications for 87056-028: 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.