The Fuse,cartridge, cataloged under National Stock Number 5920-01-327-6413, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5920-01-327-6413 |
| Primary Part Number | 2161.25 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 1.250 |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | TUBE TYPE |
| Overall Diameter | 5.0 MILLIMETERS NOMINAL MM |
| Interruption Indicator Method | CERAMIC SHELL BREAKS |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 250.0 AC AND 250.0 DC |
| Material | CERAMIC 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 |
|---|---|
| F269/1.25A | Bulgin Components Plc (GBR) |
| GDA-1.25A | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| S501-1.25A | Cooper Bussmann Uk Ltd (GBR) |
| 2161.25 PRIMARY | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 001.1005 | 5/9 Secondary reference Schurter, Inc. Dba Schurter Inc |
NSN 5920-01-327-6413 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-327-6413 has 4 manufacturer part numbers on file: F269/1.25A (Bulgin Components Plc), GDA-1.25A (Cooper Bussmann, Llc Dba Cooper Industries), S501-1.25A (Cooper Bussmann Uk Ltd), 2161.25 (Littelfuse, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5920-01-350-1985, 6515-01-386-5487, 4320-01-478-1391. Verify interchangeability with system specifications before substitution.
Key specifications for 2161.25: Continuous Current Rating in Amps: 1.250; Fragility Factor: MODERATELY RUGGED; Body Style: TUBE TYPE; Overall Diameter: 5.0 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.