The Solder,tin Alloy, cataloged under National Stock Number 3439-01-141-0621, 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 6 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-141-0621 |
| Item Name | Solder,tin Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Length | 13.000 INCHES NOMINAL IN |
| Content Within Each Unit Package | 1 LB LBS |
| Physical Form | BAR |
| Width | 0.750 INCHES NOMINAL IN |
| Chemical Composition Percentage | TIN 62.5; LEAD 35.15; ANTIMONY 0.5; BISMUTH 0.25; COPPER 0.08; OTHER 0.08; ARSENIC 0.03; IRON 0.02; SILVER 0.015,ALUMINUM 0.005; ZINC 0.005 |
| Thickness | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| ALPHA 903 1 LB BAR | 5/9 Secondary reference U.S. Government activity |
| ALPHA 903 2.2LB BAR | 5/9 Secondary reference U.S. Government activity |
| SN62BS 1LB | 5/2 Secondary reference U.S. Government activity |
| SN62PB36AG02BS 1LB BAR | 5/9 Secondary reference U.S. Government activity |
| ASTM B32 | 3/1 Design control — primary reference U.S. Government activity |
| QQ-S-571 | 5/9 Secondary reference U.S. Government activity |
| SN62BS 1 LB BAR | 5/9 Secondary reference U.S. Government activity |
| ALPHA 903 2.2LB BAR | C/1 Advisory reference — outside the item-of-supply concept Alpha Metals Inc Div Alpha Assembly Solutions Inc |
NSN 3439-01-141-0621 is a Solder,tin Alloy, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-01-141-0621: Length: 13.000 INCHES NOMINAL IN; Content Within Each Unit Package: 1 LB LBS; Physical Form: BAR; Width: 0.750 INCHES NOMINAL IN. 6 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.