The Solder,lead-Tin Alloy, cataloged under National Stock Number 3439-00-727-0489, 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6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-00-727-0489 |
| Item Name | Solder,lead-Tin Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Wire Core Type | ROSIN |
| Diameter | 0.094 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 50 SURFACE CONDITION AND W FORM AND RFLUX TYPE AND +2 FLUX PERCENTAGE |
| Content Within Each Unit Package | 1 LB LBS |
| Physical Form | WIRE |
| Chemical Composition Percentage | TIN 51.5; LEAD 47.535; ANTIMONY 0.5; BISMUTH 0.25; COPPER 0.08; OTHERS 0.08; ARSENIC 0.025; IRON 0.02; ALUMINUM 0.005; ZINC 0.005 |
| 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 |
|---|---|
| 801380 | 5/1 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| QQS571 | 4/1 Identification reference U.S. Government activity |
| SN50WRP2 0.090 1LB | 2/2 Government specification standardization U.S. Government activity |
NSN 3439-00-727-0489 is a Solder,lead-Tin 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): 2935-01-323-9818. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-00-727-0489: Wire Core Type: ROSIN; Diameter: 0.094 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 50 SURFACE CONDITION AND W FORM AND RFLUX TYPE AND +2 FLUX PERCENTAGE; Content Within Each Unit Package: 1 LB LBS. 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.