The Fuse,cartridge, cataloged under National Stock Number 5920-01-101-3362, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5920-01-101-3362 |
| Primary Part Number | FRN-R20 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 20.00020.000 |
| Body Style | TUBE TYPETUBE TYPE |
| Circuit Over-Current Interruption Delay Time in Seconds | 12.0 200 PCT OF CURRENT RATING12.0 200 PCT OF CURRENT RATING |
| Overall Diameter | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN |
| Criticality Code Justification | FEATFEAT |
| Interruption Indicator Method | OPAQUE BODYOPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENTNONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINALNICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 250.0 AC AND 250.0 AC AND 125.0 DC125.0 DC |
| Material | FIBER CASE |
| Circuit Over-Current Interruption Type | TIME DELAYTIME DELAY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| FRN-R20 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| FLN-R20 | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ECN-R20 | 5/9 Secondary reference Federal Pacific Electric Co Economy Fuse Div |
| 3980525000 | 5/2 Secondary reference U.S. Government activity |
NSN 5920-01-101-3362 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-101-3362 has 2 manufacturer part numbers on file: FRN-R20 (Cooper Bussmann, Llc Dba Cooper Industries), FLN-R20 (Littelfuse, Inc.).
Key specifications for FRN-R20: Continuous Current Rating in Amps: 20.00020.000; Body Style: TUBE TYPETUBE TYPE; Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING12.0 200 PCT OF CURRENT RATING; Overall Diameter: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN. 11 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.