The Solder,tin Alloy, cataloged under National Stock Number 3439-00-902-4201, 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 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-902-4201 |
| Item Name | Solder,tin Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Diameter | 0.125 INCHES NOMINAL IN |
| Content Within Each Unit Package | 5 LB LBS |
| Physical Form | WIRE |
| Chemical Composition Percentage | TIN 95; SILVER 5 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| LIBRA/S 0.125 5LB | 5/9 Secondary reference East West Research Inc |
| 157B 0.125 5LB | C/1 Advisory reference — outside the item-of-supply concept Mg Industries Welding Products Div |
| 157B 0.125 5LB | 3/9 Design control — primary reference Eutectic Corp |
NSN 3439-00-902-4201 is a Solder,tin Alloy, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-00-902-4201: Diameter: 0.125 INCHES NOMINAL IN; Content Within Each Unit Package: 5 LB LBS; Physical Form: WIRE; Special Features: 15000 PSI TENSILE STRENGTH; 425 DEG MELTING TEMPERATURE. 4 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.