The Electrode,welding, cataloged under National Stock Number 3439-01-139-3498, 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 Marco Company Dba American Chemical & Flux. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-139-3498 |
| Primary Part Number | MARCOLOY 500 5/32 5LB |
| Item Name | Electrode,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Marco Company Dba American Chemical & Flux |
| Status | ACTIVE |
| Length | 14.000 INCHES NOMINAL IN |
| Current Type | AC |
| Flux Coating Type | STABILIZED ARC |
| Weld Position for Which Designed | HORIZONTAL |
| Material Document and Classification | AWSA5.3-80,CL E4043 ASSN STD SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.156 INCHES NOMINAL IN |
| Quantity Within Each Unit Package | 5.000 POUNDS LBS |
| Container Type | CAN, HERMETICALLY SEALED |
| Physical Form | 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 |
|---|---|
| MARCOLOY 500 5/32 5LB PRIMARY | Marco Company Dba American Chemical & Flux (USA) |
| AWSA5.3 E4043 0.156 5LB | American Welding Society, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MARCOLOY 500 5/32 10LB | 5/9 Secondary reference Marco Company Dba American Chemical & Flux |
| AWS A5.3/A5.3M | 3/1 Design control — primary reference American Welding Society, Inc. |
| AWSA5.3-80 E4043 0.156 10LB | 5/9 Secondary reference American Welding Society, Inc. |
NSN 3439-01-139-3498 is a Electrode,welding, manufactured by Marco Company Dba American Chemical & Flux, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-139-3498 has 2 manufacturer part numbers on file: MARCOLOY 500 5/32 5LB (Marco Company Dba American Chemical & Flux), AWSA5.3 E4043 0.156 5LB (American Welding Society, Inc.).
Key specifications for MARCOLOY 500 5/32 5LB: Length: 14.000 INCHES NOMINAL IN; Current Type: AC; Flux Coating Type: STABILIZED ARC; Weld Position for Which Designed: HORIZONTAL. 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.