The Rod,welding, cataloged under National Stock Number 3439-00-252-8346, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-252-8346 |
| Item Name | Rod,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Length | 36.000 INCHES NOMINAL IN |
| Filler Metal Chemical Composition in Percent | 0.05 LEAD NOMINAL FIFTH ELEMENT |
| Filler Metal Chemical Composition in Percent | 0.10 IRON NOMINAL FOURTH ELEMENT |
| Filler Metal Chemical Composition in Percent | 0.20 ZINC NOMINAL THIRD ELEMENT |
| Filler Metal Chemical Composition in Percent | 0.35 PHOSPHOROUS NOMINAL SECOND ELEMENT |
| Filler Metal Chemical Composition in Percent | 99.50 COPPER NOMINAL FIRST ELEMENT |
| Weld Position for Which Designed | HORIZONTAL |
| Material Document and Classification | MIL-E-23765/3,CL MIL-RCUSN-C MIL SPEC SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.093 INCHES NOMINAL IN |
| Process Type for Which Designed | CARBON ARC OR GAS TUNGSTEN ARC |
| Physical Form | STRAIGHT |
| Material | COPPER ALLOY FILLER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AWS A5.7 | 3/1 Design control — primary reference American Welding Society, Inc. |
| MIL-RCUSN-C 0.093 | 5/9 Secondary reference U.S. Government activity |
| MIL-E-23765/3 | 5/9 Secondary reference U.S. Government activity |
NSN 3439-00-252-8346 is a Rod,welding, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 3439-00-252-8348, 3439-00-252-8350, 3439-00-255-8943. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-00-252-8346: Length: 36.000 INCHES NOMINAL IN; Filler Metal Chemical Composition in Percent: 0.05 LEAD NOMINAL FIFTH ELEMENT; Filler Metal Chemical Composition in Percent: 0.10 IRON NOMINAL FOURTH ELEMENT; Filler Metal Chemical Composition in Percent: 0.20 ZINC NOMINAL THIRD ELEMENT. 13 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.