The Electrode,welding, cataloged under National Stock Number 3439-00-993-6577, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-993-6577 |
| Primary Part Number | AWSA5.10-69 ER4043 0.156 5LB |
| Item Name | Electrode,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | American Welding Society, Inc. |
| Status | ACTIVE |
| Length | 36.000 INCHES NOMINAL IN |
| Current Type | AC OR DC |
| Flux Coating Type | SHIELDED ARC |
| Weld Position for Which Designed | ALL POSITIONS |
| Material Document and Classification | AWSA5.10-69,CL ER4043 ASSN STD SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.156 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 4043 CLASS |
| Physical Form | STRAIGHT |
| Polarity Characteristic | REVERSE |
| 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 |
|---|---|
| AWSA5.10-69 ER4043 0.156 5LB PRIMARY | American Welding Society, Inc. (USA) |
| Reference | Meaning |
|---|---|
| QQ-R-566 | 4/1 Identification reference U.S. Government activity |
| 4043 | 3/1 Design control — primary reference Central Wire Industries Ltd |
| 4043 | 5/1 Secondary reference Hobart Bros Co |
| A4043 | 5/9 Secondary reference Airco Welding Products Div of the Boc Group Inc |
| 4043 | 5/1 Secondary reference Union Carbide Corp Sub of Dow Co the |
| 4043 | 5/9 Secondary reference Liquid Carbonic Corp |
NSN 3439-00-993-6577 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 3439-00-993-6577 has 1 manufacturer part number on file: AWSA5.10-69 ER4043 0.156 5LB (American Welding Society, Inc.).
Key specifications for AWSA5.10-69 ER4043 0.156 5LB: Length: 36.000 INCHES NOMINAL IN; Current Type: AC OR DC; Flux Coating Type: SHIELDED ARC; Weld Position for Which Designed: ALL POSITIONS. 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.