The Solder,tin Alloy, cataloged under National Stock Number 3439-01-342-6560, 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 Bae Systems Controls Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-342-6560 |
| Primary Part Number | SM10148-01 |
| Item Name | Solder,tin Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Bae Systems Controls Inc |
| Status | ACTIVE |
| Wire Core Type | ROSIN |
| Diameter | 0.025 INCHES NOMINAL IN |
| Physical Form | WIRE |
| Chemical Composition Percentage | TIN 63.5; LEAD 35.53; ANTIMONY 0.F; BISMUTH 0.25; COPPER 0.08; OTHERS 0.08; ARSENIC 0.03; IRON 0.02; ALUMINUM 0.005; ZINC 0.005 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM10148-01 | Bae Systems Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| SN63WRMAP3 0.025 | 3/2 Design control — primary reference U.S. Government activity |
| ASTM B32 | 3/1 Design control — primary reference U.S. Government activity |
| S-N-63WRMAP3 0.025 | 5/9 Secondary reference U.S. Government activity |
| SN63PB37WRMAP3 0.025 | 5/9 Secondary reference U.S. Government activity |
| QQ-S-571 | 5/9 Secondary reference U.S. Government activity |
NSN 3439-01-342-6560 is a Solder,tin Alloy, manufactured by Bae Systems Controls Inc, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-342-6560 has 1 manufacturer part number on file: SM10148-01 (Bae Systems Controls Inc).
Key specifications for SM10148-01: Wire Core Type: ROSIN; Diameter: 0.025 INCHES NOMINAL IN; Physical Form: WIRE; Chemical Composition Percentage: TIN 63.5; LEAD 35.53; ANTIMONY 0.F; BISMUTH 0.25; COPPER 0.08; OTHERS 0.08; ARSENIC 0.03; IRON 0.02; ALUMINUM 0.005; ZINC 0.005. 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.