The Fuse,cartridge, cataloged under National Stock Number 5920-01-309-5480, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-309-5480 |
| Primary Part Number | 251001 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 1.000 |
| Terminal Diameter | 0.025 INCHES NOMINAL IN |
| Body Style | PIGTAIL TYPE |
| Overall Diameter | 0.095 INCHES NOMINAL IN |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Maximum Voltage Rating in Volts | 125.0 AC |
| 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 |
|---|---|
| 251001 PRIMARY | Littelfuse, Inc. (USA) |
| 68368-03/007 | Leonardo S.p.a. Security & Information System Division (ITA) |
| 446841 | Farnell Plc (GBR) |
| 92190991 | Thales Uk Limited Secure Communications and Information Systems (GBR) |
| 172042045 | Life Safety Distribution Gmbh (GBR) |
| 422040 | Rs Components Limited (GBR) |
NSN 5920-01-309-5480 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-309-5480 has 6 manufacturer part numbers on file: 251001 (Littelfuse, Inc.), 68368-03/007 (Leonardo S.p.a. Security & Information System Division), 446841 (Farnell Plc), 92190991 (Thales Uk Limited Secure Communications and Information Systems), 172042045 (Life Safety Distribution Gmbh) and 1 more.
3 possible matches (shared part number, not a government interchangeability claim): 5920-01-318-9442, 4730-01-330-8091, 6525-01-428-1482. Verify interchangeability with system specifications before substitution.
Key specifications for 251001: Continuous Current Rating in Amps: 1.000; Terminal Diameter: 0.025 INCHES NOMINAL IN; Body Style: PIGTAIL TYPE; Overall Diameter: 0.095 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.