The Fuse,cartridge, cataloged under National Stock Number 5920-01-437-5485, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5920-01-437-5485 |
| Primary Part Number | FRSR3.5 |
| 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 | 3.500 |
| 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 |
|---|---|
| FRSR3.5 PRIMARY | Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA) |
| Reference | Meaning |
|---|---|
| P501812 | 5/9 Secondary reference Federal Equipment Company Dba Use CAGE Code 60587 for Cataloging |
| A000812 FIND 18 | 5/9 Secondary reference Federal Equipment Company Dba Use CAGE Code 60587 for Cataloging |
NSN 5920-01-437-5485 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 5920-01-437-5485 has 1 manufacturer part number on file: FRSR3.5 (Mersen Usa Ep Corp. Dba Ferraz Shawmut).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-437-5499. Verify interchangeability with system specifications before substitution.
Key specifications for FRSR3.5: Continuous Current Rating in Amps: 3.500. 1 specification is 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.