The Solder,tin Alloy, cataloged under National Stock Number 3439-01-391-8478, 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 Mobile Energy Products, Inc. Dba Electro Energy. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-391-8478 |
| Primary Part Number | SDR-227 |
| Item Name | Solder,tin Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Mobile Energy Products, Inc. Dba Electro Energy |
| Status | ACTIVE |
| Diameter | 0.062 INCHES NOMINAL IN |
| Content Within Each Unit Package | 1 LB LBS |
| Physical Form | WIRE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SDR-227 | Mobile Energy Products, Inc. Dba Electro Energy (USA) |
| Reference | Meaning |
|---|---|
| QQ-S-571SN60WRMAP3 | 5/9 Secondary reference U.S. Government activity |
| ASTM B32 | 3/1 Design control — primary reference U.S. Government activity |
NSN 3439-01-391-8478 is a Solder,tin Alloy, manufactured by Mobile Energy Products, Inc. Dba Electro Energy, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-391-8478 has 1 manufacturer part number on file: SDR-227 (Mobile Energy Products, Inc. Dba Electro Energy).
Key specifications for SDR-227: Diameter: 0.062 INCHES NOMINAL IN; Content Within Each Unit Package: 1 LB LBS; Physical Form: WIRE; End Item Identification: SOLDER. 3 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.