The Electrode,welding, cataloged under National Stock Number 3439-01-191-5017, 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 Messer Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-191-5017 |
| Primary Part Number | ER4043 0.035 1LB |
| Item Name | Electrode,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Messer Llc |
| Status | ACTIVE |
| Current Type | AC OR DC |
| Flux Coating Type | STABILIZED ARC |
| Weld Position for Which Designed | ALL POSITIONS |
| Material Document and Classification | AWSA5.10-80,CL ER4043 0.035 ASSN STD SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.035 INCHES NOMINAL IN |
| Quantity Within Each Unit Package | 1.000 POUNDS LBS |
| Container Type | REEL |
| Physical Form | ROLL |
| Polarity Characteristic | REVERSE |
| Material | ALUMINUM FILLER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AWSA5.10-80 ER4043 0.035 | American Welding Society, Inc. (USA) |
| ER4043 0.035 1LB PRIMARY | Messer Llc (USA) |
| Reference | Meaning |
|---|---|
| AWS A5.10/A5.10M | 3/1 Design control — primary reference American Welding Society, Inc. |
NSN 3439-01-191-5017 is a Electrode,welding, manufactured by Messer Llc, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-191-5017 has 2 manufacturer part numbers on file: AWSA5.10-80 ER4043 0.035 (American Welding Society, Inc.), ER4043 0.035 1LB (Messer Llc).
Key specifications for ER4043 0.035 1LB: Current Type: AC OR DC; Flux Coating Type: STABILIZED ARC; Weld Position for Which Designed: ALL POSITIONS; Material Document and Classification: AWSA5.10-80,CL ER4043 0.035 ASSN STD SINGLE MATERIAL RESPONSE FILLER. 11 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.