The Circuit Breaker, cataloged under National Stock Number 5925-01-351-0640, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 — Circuit Breakers (FSG 59) |
| Manufacturers | Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0) |
| Parameter | Value |
|---|---|
| NSN | 5925-01-351-0640 |
| Primary Part Number | 403312259 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 403312259 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 403312259 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 403312259 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
NSN 5925-01-351-0640 is a Circuit Breaker, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-351-0640 has 1 manufacturer part number on file: 403312259 (Lucent Technologies Inc Corporate Headquarters).
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.