The Fuse,cartridge, cataloged under National Stock Number 5920-01-651-4004, 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. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-651-4004 |
| Primary Part Number | A120X4-1 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Mersen Usa Ep Corp. Dba Ferraz Shawmut |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 4.0 |
| Body Style | TUBE TYPE |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Maximum Voltage Rating in Volts | 1000.0 DC AND 1200.0 AC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5920-01-651-4004 is a Fuse,cartridge, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-651-4004 has 4 manufacturer part numbers on file: 70075774 (Bae Systems Marine Limited), A120X4-1 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), A120X4-1 (Mersen), 104575 (Esco Maritime Solutions Ltd).
Key specifications for A120X4-1: Continuous Current Rating in Amps: 4.0; Body Style: TUBE TYPE; Overall Diameter: 0.812 INCHES NOMINAL IN; Overall Length: 4.625 INCHES NOMINAL IN. 5 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.