The Brazing Alloy,silver, cataloged under National Stock Number 3439-00-262-4202, 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 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-262-4202 |
| Item Name | Brazing Alloy,silver |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Flux Feature | NOT INCLUDED |
| Length | 20.000 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Precious Material and Weight | 1.860 SILVER OUNCES, TROY |
| Content Within Each Unit Package | UNIT OF ISSUE IS 1LB NOMINAL LBS |
| Physical Form | STRIP |
| Precious Material and Location | INTEGRAL SILVER |
| Width | 0.063 INCHES NOMINAL IN |
| Chemical Composition Percentage | COPPER 81; SILVER 15.5; PHOSPHORUS 5.25; OTHERS 0.15 |
| Thickness | 0.050 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AWS A5.8 | 5/1 Secondary reference American Welding Society, Inc. |
| QQ-B-654 | 4/1 Identification reference U.S. Government activity |
| BCUP-5 0.050 X 0.063 | 2/2 Government specification standardization U.S. Government activity |
NSN 3439-00-262-4202 is a Brazing Alloy,silver, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-00-262-4202: Flux Feature: NOT INCLUDED; Length: 20.000 INCHES NOMINAL IN; Precious Material: SILVER; Precious Material and Weight: 1.860 SILVER OUNCES, TROY. 10 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.