The Brazing Alloy,copper, cataloged under National Stock Number 3439-00-204-2555, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-204-2555 |
| Primary Part Number | QQ-B-650 |
| Item Name | Brazing Alloy,copper |
| FSC / FSG | 3439 / 34 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | BCUP-5 COMPOSITION |
| Precious Material and Location | INTEGRAL SILVER |
| Flux Feature | NOT INCLUDED |
| Precious Material and Weight | 2.480 SILVER OUNCES, TROY |
| Length | 36.000 INCHES NOMINAL IN |
| Chemical Composition Percentage | COPPER 79.1; SILVER 15.5; PHOSPHORUS 5.25; OTHERS0.15 |
| Precious Material | SILVER |
| Thickness | 0.125 INCHES NOMINAL IN |
| Width | 0.125 INCHES NOMINAL IN |
| Physical Form | ROD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| QQ-B-650 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3439-00-204-2555 is a Brazing Alloy,copper, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3439 (No Item Name Available). Status: active.
NSN 3439-00-204-2555 has 1 cross-referenced part number: QQ-B-650 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 11 known substitutes for 3439-00-204-2555: 3439-00-052-1899, 3439-00-188-6982, 3439-00-188-6983 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for QQ-B-650: Nondefinitive Spec/std Data: BCUP-5 COMPOSITION; Precious Material and Location: INTEGRAL SILVER; Flux Feature: NOT INCLUDED; Precious Material and Weight: 2.480 SILVER OUNCES, TROY. 10 total characteristics are documented in the Federal Logistics Information System.