The Fuse,cartridge, cataloged under National Stock Number 5920-01-322-6986, 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 Liebert Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 — Fuses, Arrestors, Absorbers, and Protectors (FSG 59) |
| Manufacturers | Littelfuse, Inc. (CAGE 75915); Cooper Bussmann, Llc Dba Cooper Industries (CAGE 71400); Liebert Corp (CAGE 55455) |
| Parameter | Value |
|---|---|
| NSN | 5920-01-322-6986 |
| Primary Part Number | 511885P6 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Liebert Corp |
| 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 |
|---|---|
| KLDR 3 | Littelfuse, Inc. (USA) |
| FNQ-R3 | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| 511885P6 PRIMARY | Liebert Corp (USA) |
| Reference | Meaning |
|---|---|
| ATQR 3 | C/1 Advisory reference — outside the item-of-supply concept Mersen Usa Ep Corp. Dba Ferraz Shawmut |
NSN 5920-01-322-6986 is a Fuse,cartridge, manufactured by Liebert Corp, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-322-6986 has 3 manufacturer part numbers on file: KLDR 3 (Littelfuse, Inc.), FNQ-R3 (Cooper Bussmann, Llc Dba Cooper Industries), 511885P6 (Liebert Corp).
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.