The Rod,welding, cataloged under National Stock Number 3439-01-050-7862, 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 Mcmaster-Carr Supply Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-050-7862 |
| Primary Part Number | 7973A112 |
| Item Name | Rod,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Length | 36.000 INCHES NOMINAL IN |
| Weld Position for Which Designed | ALL POSITIONS |
| Material Document and Classification | 7973A11A MFR REF SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.078 INCHES NOMINAL IN |
| Process Type for Which Designed | OXYACETYLENE |
| Physical Form | STRAIGHT |
| Surface Treatment | COPPER |
| Material | STEEL FILLER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7973A112 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 7973A111 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 3439-01-050-7862 is a Rod,welding, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-050-7862 has 1 manufacturer part number on file: 7973A112 (Mcmaster-Carr Supply Co).
Key specifications for 7973A112: Length: 36.000 INCHES NOMINAL IN; Weld Position for Which Designed: ALL POSITIONS; Material Document and Classification: 7973A11A MFR REF SINGLE MATERIAL RESPONSE FILLER; Shape: ROUND. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.