The Solder,lead Alloy, cataloged under National Stock Number 3439-01-153-2239, 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 5 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-153-2239 |
| Item Name | Solder,lead Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Wire Core Type | ACID |
| Diameter | 0.188 INCHES NOMINAL IN |
| Content Within Each Unit Package | 5 LB LBS |
| Physical Form | WIRE |
| Chemical Composition Percentage | LEAD 61.04; TIN 36.5; ANTIMONY 2.0; BISMUTH 0.25; COPPER 0.08; OTHER ELEMENTS 0.08; ARSENIC 0.02; 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 |
| Reference | Meaning |
|---|---|
| ASTM B32-95A | 5/9 Secondary reference U.S. Government activity |
| SN35WACP2 0.188 5 LB SPOOL | 5/9 Secondary reference U.S. Government activity |
| QQ-S-571 | 5/9 Secondary reference U.S. Government activity |
| SN35WACP2 0.188 5LB SPOOL | 3/2 Design control — primary reference U.S. Government activity |
| SN35PB63SB02WACP2 0.188 5LBSPOOL | 5/9 Secondary reference U.S. Government activity |
| ASTM B32 | 3/1 Design control — primary reference U.S. Government activity |
| ASTM B32-95A | 5/9 Secondary reference U.S. Government activity |
NSN 3439-01-153-2239 is a Solder,lead Alloy, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3439-01-371-6860. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-153-2239: Wire Core Type: ACID; Diameter: 0.188 INCHES NOMINAL IN; Content Within Each Unit Package: 5 LB LBS; Physical Form: WIRE. 5 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.