The Flux,soldering, cataloged under National Stock Number 3439-01-237-7486, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Kester Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3439-01-237-7486 |
| Primary Part Number | 63-0000-1589 |
| Item Name | Flux,soldering |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Kester Inc |
| Status | ACTIVE |
| Material for Which Formulated | TIN ALLOY AND NICKEL ALLOY |
| Content Within Each Unit Package | 1 GL |
| Physical Form | LIQUID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 63-0000-1589 PRIMARY | Kester Inc (USA) |
| Reference | Meaning |
|---|---|
| 63-000-1773 | 5/9 Secondary reference Kester Solder Co Div of Litton Systems Inc |
| 63-000-1773 | 5/9 Secondary reference Kester Inc |
NSN 3439-01-237-7486 is a Flux,soldering, manufactured by Kester Inc, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-237-7486 has 1 manufacturer part number on file: 63-0000-1589 (Kester Inc).
Key specifications for 63-0000-1589: Material for Which Formulated: TIN ALLOY AND NICKEL ALLOY; Content Within Each Unit Package: 1 GL; Physical Form: LIQUID. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.