The Fuse,cartridge, cataloged under National Stock Number 5920-01-129-7455, 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 Cooper Bussmann, Llc Dba Cooper Industries. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-129-7455 |
| Primary Part Number | GMF-4 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 4.000 |
| Fragility Factor | MODERATELY DELICATE |
| Body Style | TUBE TYPE |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 300.0 AC |
| 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 |
|---|---|
| GMF-4 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| 78-8031-3002-6 | 5/9 Secondary reference Imation Corp. Dba Imation Div Document Imaging Systems |
| 78-8031-3002-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5920-01-129-7455 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-129-7455 has 1 manufacturer part number on file: GMF-4 (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for GMF-4: Continuous Current Rating in Amps: 4.000; Fragility Factor: MODERATELY DELICATE; Body Style: TUBE TYPE; Overall Diameter: 0.250 INCHES NOMINAL IN. 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.