The Brazing Alloy,silver, cataloged under National Stock Number 3439-00-262-4200, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3439-00-262-4200 |
| 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 | ABNM AND ABGL |
| Precious Material and Weight | 0.660 SILVER OUNCES, TROY |
| Physical Form | STRIP |
| Precious Material and Location | INTEGRAL SILVER |
| Width | 3.000 INCHES NOMINAL IN |
| Chemical Composition Percentage | SILVER 66; COPPER 21; ZINC 17; OTHERS 0.15 |
| Thickness | 0.020 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| BAG-9 0.020 X 3.000 | 2/2 Government specification standardization U.S. Government activity |
| QQ-B-654 | 4/1 Identification reference U.S. Government activity |
NSN 3439-00-262-4200 is a Brazing Alloy,silver, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-00-262-4200: Flux Feature: NOT INCLUDED; Precious Material: SILVER; Criticality Code Justification: ABNM AND ABGL; Precious Material and Weight: 0.660 SILVER OUNCES, TROY. 9 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.