The Brazing Alloy,silver, cataloged under National Stock Number 3439-00-262-4201, 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 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3439-00-262-4201 |
| Item Name | Brazing Alloy,silver |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Flux Feature | NOT INCLUDED |
| Precious Material | SILVER |
| Criticality Code Justification | FEAT |
| Precious Material and Weight | 0.660 SILVER OUNCES, TROY |
| Physical Form | STRIP |
| Precious Material and Location | INTEGRAL SILVER |
| Width | 0.250 INCHES NOMINAL IN |
| Chemical Composition Percentage | SILVER 66; COPPER 21; ZINC 17; OTHERS 0.15 |
| Thickness | 0.030 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| QQ-B-654 | 4/1 Identification reference U.S. Government activity |
| BAG-9 0.030 X 0.250 | 2/2 Government specification standardization U.S. Government activity |
NSN 3439-00-262-4201 is a Brazing Alloy,silver, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-00-262-4201: Flux Feature: NOT INCLUDED; Precious Material: SILVER; Criticality Code Justification: FEAT; Precious Material and Weight: 0.660 SILVER OUNCES, TROY. 9 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.