The Solder,tin Alloy, cataloged under National Stock Number 3439-01-439-5525, 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 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-439-5525 |
| Item Name | Solder,tin Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Diameter | 1.958 INCHES MINIMUM AND 1.968 INCHES MAXIMUM IN |
| Physical Form | RING |
| Chemical Composition Percentage | 8.6 - 8.9 ZINC, .05 MAX IMPURITIES, REMAINDER - TIN |
| Thickness | 0.215 INCHES MINIMUM AND 0.223 INCHES MAXIMUM 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 |
|---|---|
| 765611 | 3/2 Design control — primary reference U.S. Government activity |
| 765611-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3439-01-439-5525 is a Solder,tin Alloy, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-01-439-5525: Diameter: 1.958 INCHES MINIMUM AND 1.968 INCHES MAXIMUM IN; Physical Form: RING; Special Features: ITEMS USED FOR SAFETY PURPOSES, AS A THERMO DISCONNECT INSIDE TRANSMISSION, CSD (CONSTAND SPEED DRIVE, P/N 711596), DRIVES GENERATOR THAT PROVIDES ELECTRIC POWER FOR F-15;MS26.01; Chemical Composition Percentage: 8.6 - 8.9 ZINC, .05 MAX IMPURITIES, REMAINDER - TIN. 4 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.