The Circuit Breaker, cataloged under National Stock Number 5925-01-034-6458, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ampex Data Systems Corporation Dba Ampex Intelligent Systems. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5925-01-034-6458 |
| Primary Part Number | 126-225 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Ampex Data Systems Corporation Dba Ampex Intelligent Systems |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Body Width | 1.500 INCHES NOMINAL IN |
| Body Height | 1.880 INCHES NOMINAL IN |
| Pole Quantity | 2 |
| Maximum Continuous Load Current Rating Per Pole | 10.0 AMPERES AC ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 2.000 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 126-225 PRIMARY | Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA) |
| Reference | Meaning |
|---|---|
| 126-225 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5925-01-034-6458 is a Circuit Breaker, manufactured by Ampex Data Systems Corporation Dba Ampex Intelligent Systems, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-034-6458 has 1 manufacturer part number on file: 126-225 (Ampex Data Systems Corporation Dba Ampex Intelligent Systems).
3 possible matches (shared part number, not a government interchangeability claim): 5365-01-245-4023, 6130-01-606-3070, 5340-01-670-0327. Verify interchangeability with system specifications before substitution.
Key specifications for 126-225: Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Frequency in Hertz: 60.0 ALL LOCATIONS; Body Width: 1.500 INCHES NOMINAL IN. 11 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.