The Brazing Alloy,nickel, cataloged under National Stock Number 3439-00-256-8239, 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 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-256-8239 |
| Item Name | Brazing Alloy,nickel |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY POWDER FORM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AMS4777 | 5/9 Secondary reference U.S. Government activity |
| AMS4777 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 3439-00-256-8239 is a Brazing Alloy,nickel, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3439-01-479-4492. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-00-256-8239: Special Features: ACTION ID 45484800; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY POWDER FORM. 1 specification is 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.
NSN 3439-00-256-8239 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.