The Brazing Alloy,silver, cataloged under National Stock Number 3439-00-247-6927, 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 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-00-247-6927 |
| 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 |
| Precious Material and Weight | 0.200 SILVER OUNCES, TROY |
| Physical Form | STRIP |
| Precious Material and Location | INTEGRAL SILVER |
| Width | 0.750 INCHES MAXIMUM IN |
| Chemical Composition Percentage | COPPER 45; ZINC 35; SILVER 20 |
| Thickness | 0.003 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| QQ-B-654 BASIC | 4/1 Identification reference U.S. Government activity |
| GRADE 0 BASIC 0.003 X 0.750 | 2/2 Government specification standardization U.S. Government activity |
| BRAZE 202 | 5/9 Secondary reference Handy & Harman |
NSN 3439-00-247-6927 is a Brazing Alloy,silver, 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): 3439-00-262-4196. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-00-247-6927: Flux Feature: NOT INCLUDED; Precious Material: SILVER; Precious Material and Weight: 0.200 SILVER OUNCES, TROY; Physical Form: STRIP. 8 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.