The Fuse,open Link, cataloged under National Stock Number 5920-01-707-8394, 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 Grainger Integrated Supply Div Grainger Integrated Supply. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-707-8394 |
| Primary Part Number | 4YZL7 |
| Item Name | Fuse,open Link |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Grainger Integrated Supply Div Grainger Integrated Supply |
| Status | ACTIVE |
| 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 |
|---|---|
| 4YZL7 | Grainger Integrated Supply Div Grainger Integrated Supply (USA) |
| Reference | Meaning |
|---|---|
| TRS30R | 3/9 Design control — primary reference Mersen Usa Greenville-Mi Corp. |
NSN 5920-01-707-8394 is a Fuse,open Link, manufactured by Grainger Integrated Supply Div Grainger Integrated Supply, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-707-8394 has 1 manufacturer part number on file: 4YZL7 (Grainger Integrated Supply Div Grainger Integrated Supply).
Key specifications for 4YZL7: Overall Length: 5.0 INCHES NOMINAL IN; Special Features: AMPS 30 A; AC VOLTAGE RATING: 600V AC; DE VOLTAGE RATING 300V DC; DIAMTER:: 13/16 IN DIA; MATERIAL: POLYESTER V. 0 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.