The Flux,soldering, cataloged under National Stock Number 3439-00-255-4567, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-00-255-4567 |
| Item Name | Flux,soldering |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Material for Which Formulated | SOFT |
| Content Within Each Unit Package | 1 OZ OZ |
| Physical Form | LIQUID |
| Environmental Protection | CORROSION RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 18300 | 3/9 Design control — primary reference Marshall-Swartchild Co |
NSN 3439-00-255-4567 is a Flux,soldering, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4720-00-955-9427, 9905-01-044-7617, 5340-01-280-6995. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-00-255-4567: Material for Which Formulated: SOFT; Content Within Each Unit Package: 1 OZ OZ; Physical Form: LIQUID; Environmental Protection: CORROSION RESISTANT. 4 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.