The Electrode,welding, cataloged under National Stock Number 3439-00-892-4383, 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 American Welding Society, Inc.. 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-00-892-4383 |
| Primary Part Number | AWSA5.10-17 ER4043 0.030 1LB |
| Item Name | Electrode,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | American Welding Society, Inc. |
| Status | ACTIVE |
| Current Type | AC OR DC |
| Flux Coating Type | SHIELDED ARC |
| Weld Position for Which Designed | ALL POSITIONS |
| Material Document and Classification | AWSA5.10-80,CL ER4043 ASSN STD SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.030 INCHES NOMINAL IN |
| Quantity Within Each Unit Package | 1.0 POUNDS LBS |
| Container Type | REEL |
| Physical Form | ROLL |
| Polarity Characteristic | REVERSE OR STRAIGHT |
| 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 |
|---|---|
| ALCOA ALMIGWELD 4043 0.030 1LB | Alcoa Inc Dba Aluminum Company of America (USA) |
| AWSA5.10-17 ER4043 0.030 1LB PRIMARY | American Welding Society, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4043 | 3/1 Design control — primary reference Central Wire Industries Ltd |
| 4043 | 5/1 Secondary reference Hobart Bros Co |
| RACO AL-43 0.030 1LB | 5/9 Secondary reference Schneider Electric Usa, Inc. |
| SPOOLARC 4043 0.030 1LB | 5/2 Secondary reference U.S. Government activity |
| 4043 | 5/1 Secondary reference Union Carbide Corp Sub of Dow Co the |
| AWS A5.10/A5.10M | 3/1 Design control — primary reference American Welding Society, Inc. |
| KAISER 4043 0.030 1LB | 5/9 Secondary reference Kaiser Aluminum and Chemical Corp Newark Works-Marketing Dept |
| UNITED IMA WIRE 4043 0.030 1LB | 5/9 Secondary reference United Wire and Supply Corp |
| 4043 | 5/9 Secondary reference Liquid Carbonic Corp |
| AWSA5.10-80 ER4043 0.030 1LB | 5/9 Secondary reference American Welding Society, Inc. |
| A4043 | 5/9 Secondary reference Airco Welding Products Div of the Boc Group Inc |
NSN 3439-00-892-4383 is a Electrode,welding, manufactured by American Welding Society, Inc., classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-00-892-4383 has 2 manufacturer part numbers on file: ALCOA ALMIGWELD 4043 0.030 1LB (Alcoa Inc Dba Aluminum Company of America), AWSA5.10-17 ER4043 0.030 1LB (American Welding Society, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3439-00-993-6577. Verify interchangeability with system specifications before substitution.
Key specifications for AWSA5.10-17 ER4043 0.030 1LB: Current Type: AC OR DC; Flux Coating Type: SHIELDED ARC; Weld Position for Which Designed: ALL POSITIONS; Material Document and Classification: AWSA5.10-80,CL ER4043 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.