The Fuse,cartridge, cataloged under National Stock Number 5920-01-518-8941, 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 6 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. 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 | 5920-01-518-8941 |
| Primary Part Number | 312020 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 20.000 |
| Body Style | TUBE TYPE |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Maximum Voltage Rating in Volts | 32.0 AC |
| 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 |
|---|---|
| PS304794-03 | Cae Inc (CAN) |
| 312020 PRIMARY | Littelfuse, Inc. (USA) |
NSN 5920-01-518-8941 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-518-8941 has 2 manufacturer part numbers on file: PS304794-03 (Cae Inc), 312020 (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2090-01-536-9542. Verify interchangeability with system specifications before substitution.
Key specifications for 312020: Continuous Current Rating in Amps: 20.000; Body Style: TUBE TYPE; Overall Diameter: 0.250 INCHES NOMINAL IN; Overall Length: 1.250 INCHES NOMINAL IN. 6 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.