The Link,fusible,fire, cataloged under National Stock Number 4210-01-166-4481, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Tyco Fire Products Lp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4210-01-166-4481 |
| Primary Part Number | 439089 |
| Item Name | Link,fusible,fire |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Melting Point Temp Rating | 450.0 FAHRENHEIT DEGF |
| 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 |
|---|---|
| 439089 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| 323014 | 3/9 Design control — primary reference Globe Firesprinkler Corp |
| 56815 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 4210-01-166-4481 is a Link,fusible,fire, manufactured by Tyco Fire Products Lp, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-166-4481 has 1 manufacturer part number on file: 439089 (Tyco Fire Products Lp).
3 possible matches (shared part number, not a government interchangeability claim): 1630-01-235-9309, 5310-01-372-2289, 5310-01-399-6604. Verify interchangeability with system specifications before substitution.
Key specifications for 439089: Melting Point Temp Rating: 450.0 FAHRENHEIT DEGF. 1 specification is 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.