The Fuse Assortment, cataloged under National Stock Number 5920-01-646-3865, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mersen Usa Ep Corp. Dba Ferraz Shawmut. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-646-3865 |
| Primary Part Number | A70QS225-4 |
| Item Name | Fuse Assortment |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Mersen Usa Ep Corp. Dba Ferraz Shawmut |
| Status | ACTIVE |
| 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 |
|---|---|
| A70QS225-4 PRIMARY | Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA) |
| DG-AP-0228-01 | Bogue Systems Inc Dba Bogue Systems Inc (USA) |
| DG-AP-0228-01 REV D ITEM 8 | Bogue Systems Inc Dba Bogue Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| DG-AP-0288-01 REV D ITEM NO. 8 | 5/9 Secondary reference Bogue Systems Inc Dba Bogue Systems Inc |
| A-57480-8-225 | 5/1 Secondary reference Bogue Systems Inc Dba Bogue Systems Inc |
| DG-AP-0288 | 5/9 Secondary reference Bogue Systems Inc Dba Bogue Systems Inc |
NSN 5920-01-646-3865 is a Fuse Assortment, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-646-3865 has 3 manufacturer part numbers on file: A70QS225-4 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), DG-AP-0228-01 (Bogue Systems Inc Dba Bogue Systems Inc), DG-AP-0228-01 REV D ITEM 8 (Bogue Systems Inc Dba Bogue Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-647-2637. Verify interchangeability with system specifications before substitution.
Key specifications for A70QS225-4: Special Features: FORM 101 TYPE 4: 225-400A , 700V(OVERALL LENGTH 5.09") V; Part Name Assigned by Controlling Agency: FUSE; End Item Identification: POWER CONDITI. 0 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.