The Fuse,cartridge, cataloged under National Stock Number 5920-01-691-8636, 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 Littelfuse, Inc.. Government technical data includes 10 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-691-8636 |
| Primary Part Number | 563-457 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 1.6 |
| Body Style | TUBE TYPE |
| Overall Diameter | 5.20 MILLIMETERS NOMINAL MM |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL CAP |
| Maximum Voltage Rating in Volts | 250.0 AC |
| Material | COPPER ALLOY CAP |
| Material | GLASS CASE |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| 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 |
|---|---|
| 563-457 PRIMARY | Littelfuse, Inc. (USA) |
NSN 5920-01-691-8636 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-691-8636 has 1 manufacturer part number on file: 563-457 (Littelfuse, Inc.).
Key specifications for 563-457: Continuous Current Rating in Amps: 1.6; Body Style: TUBE TYPE; Overall Diameter: 5.20 MILLIMETERS NOMINAL MM; Overall Length: 20.0 MILLIMETERS NOMINAL MM. 10 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.