The Rod,welding, cataloged under National Stock Number 3439-00-602-5974, 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 Sae International Dba Sae International. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-00-602-5974 |
| Primary Part Number | AMS4190 0.031 1LB |
| Item Name | Rod,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Unit Package Type | REEL |
| Filler Metal Chemical Composition in Percent | 0.05 MANGANESE NOMINAL SIXTH ELEMENT |
| Filler Metal Chemical Composition in Percent | 0.10 ZINC NOMINAL FIFTH ELEMENT |
| Filler Metal Chemical Composition in Percent | 0.30 COPPER NOMINAL FOURTH ELEMENT |
| Filler Metal Chemical Composition in Percent | 0.80 IRON NOMINAL THIRD ELEMENT |
| Filler Metal Chemical Composition in Percent | 6.00 SILICON NOMINAL SECOND ELEMENT |
| Filler Metal Chemical Composition in Percent | 92.00 ALUMINUM NOMINAL FIRST ELEMENT |
| Weld Position for Which Designed | ALL POSITIONS |
| Material Document and Classification | AMS4190 ASSN STD SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.031 INCHES NOMINAL IN |
| Quantity Within Each Unit Package | 1.0 POUNDS LBS |
| Process Type for Which Designed | GAS METAL ARC |
| Physical Form | ROLL |
| Material | ALUMINUM ALLOY FILLER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AMS4190 0.031 1LB PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AWSA5.3 E4043 | 3/1 Design control — primary reference American Welding Society, Inc. |
| AWS A5.3/A5.3M | 3/1 Design control — primary reference American Welding Society, Inc. |
| AMS4190 0.031 1LB | 5/9 Secondary reference U.S. Government activity |
NSN 3439-00-602-5974 is a Rod,welding, manufactured by Sae International Dba Sae International, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-00-602-5974 has 1 manufacturer part number on file: AMS4190 0.031 1LB (Sae International Dba Sae International).
2 possible matches (shared part number, not a government interchangeability claim): 3439-01-117-2517, 3439-01-139-3498. Verify interchangeability with system specifications before substitution.
Key specifications for AMS4190 0.031 1LB: Unit Package Type: REEL; Filler Metal Chemical Composition in Percent: 0.05 MANGANESE NOMINAL SIXTH ELEMENT; Filler Metal Chemical Composition in Percent: 0.10 ZINC NOMINAL FIFTH ELEMENT; Filler Metal Chemical Composition in Percent: 0.30 COPPER NOMINAL FOURTH ELEMENT. 15 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.