The Brazing Alloy,silver, cataloged under National Stock Number 3439-00-781-5197, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3439-00-781-5197 |
| Primary Part Number | QQ-B-654 |
| Item Name | Brazing Alloy,silver |
| FSC / FSG | 3439 / 34 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Diameter | 0.031 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 7 GRADE |
| Chemical Composition Percentage | SILVER 44.0 TO 46.0; CADMIUM 23.0TO 25.0; ZINC 14.0 TO 18.5; COPPER 14.0 TO 16.0; OTHER ELEMENTS 0.15 MAX |
| Physical Form | WIRE |
| Flux Feature | NOT INCLUDED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| QQ-B-654 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MILB15395 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| GRADE 7 WIRE 0.031 DIA 1TROY OZ | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3439-00-781-5197 is a Brazing Alloy,silver, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3439 (No Item Name Available). Status: cancelled.
NSN 3439-00-781-5197 has 3 cross-referenced part numbers: QQ-B-654 (Federal Specifications Promulgated by General Services Administration Washington DC), MILB15395 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), GRADE 7 WIRE 0.031 DIA 1TROY OZ (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 3 known substitutes for 3439-00-781-5197: 3439-00-052-1899, 3439-00-184-8952, 3439-00-262-4191. Verify interchangeability with system specifications before substitution.
Key specifications for QQ-B-654: Diameter: 0.031 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 7 GRADE; Chemical Composition Percentage: SILVER 44.0 TO 46.0; CADMIUM 23.0TO 25.0; ZINC 14.0 TO 18.5; COPPER 14.0 TO 16.0; OTHER ELEMENTS 0.15 MAX; Physical Form: WIRE. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 3439-00-781-5197 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.