The Fuse,cartridge, cataloged under National Stock Number 5920-01-343-0294, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5920-01-343-0294 |
| Primary Part Number | FNQ-R-5 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | CANCELLED |
| Continuous Current Rating in Amps | 5.000 |
| Body Style | TUBE TYPE |
| Overall Diameter | 0.40625 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 600.0 AC |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KLDR 5 | Littelfuse, Inc. (USA) |
| FNQ-R-5 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| ATQR5 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| 5920013430294 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5920PL1379130 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| ATQR5 | C/1 Advisory reference — outside the item-of-supply concept L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| 515-77205-52 | C/1 Advisory reference — outside the item-of-supply concept Kato Engineering Inc. |
NSN 5920-01-343-0294 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: cancelled.
NSN 5920-01-343-0294 has 3 manufacturer part numbers on file: KLDR 5 (Littelfuse, Inc.), FNQ-R-5 (Cooper Bussmann, Llc Dba Cooper Industries), ATQR5 (Cooper Bussmann, Llc Dba Cooper Industries).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-475-3897. Verify interchangeability with system specifications before substitution.
Key specifications for FNQ-R-5: Continuous Current Rating in Amps: 5.000; Body Style: TUBE TYPE; Overall Diameter: 0.40625 INCHES NOMINAL IN; Overall Length: 1.500 INCHES NOMINAL IN. 8 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.
NSN 5920-01-343-0294 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.