The Flux,soldering, cataloged under National Stock Number 3439-00-255-4571, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Kester Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3439-00-255-4571 |
| Primary Part Number | FLUX-CORE 66 |
| Item Name | Flux,soldering |
| FSC / FSG | 3439 / 34 — No Item Name Available |
| Manufacturer | Kester Inc |
| Status | CANCELLED |
| Material for Which Formulated | LEAD TIN ALLOY |
| Specific Metal for Which Formulated | ALL METALS EXCEPT ALUMINUM |
| Content Within Each Unit Package | 2 OZ OZ |
| Nondefinitive Spec/std Data | 1 TYPE AND A FORM |
| Physical Form | PASTE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FLUX-CORE 66 | Kester Inc (USA) |
| A-A-51145 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| O-F-506 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| SN60 CORE 66 | Kester Inc (USA) |
| FORMULA 66 | Kester Inc (USA) |
| COREN66 | Kester Inc (USA) |
NSN 3439-00-255-4571 is a Flux,soldering, manufactured by Kester Inc, classified under FSC 3439 (No Item Name Available). Status: cancelled.
NSN 3439-00-255-4571 has 6 cross-referenced part numbers: FLUX-CORE 66 (Kester Inc), A-A-51145 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), O-F-506 (Federal Specifications Promulgated by General Services Administration Washington DC), SN60 CORE 66 (Kester Inc), FORMULA 66 (Kester Inc) and 1 more.
There are 7 known substitutes for 3439-00-255-4571: 3439-00-250-2629, 3439-00-255-4566, 3439-00-260-1264 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for FLUX-CORE 66: Special Features: NOT INTENDED FOR USE IN SOLDERING ELECTRONIC OR ELECTRICAL CIRCUITS; Material for Which Formulated: LEAD TIN ALLOY; Specific Metal for Which Formulated: ALL METALS EXCEPT ALUMINUM; Content Within Each Unit Package: 2 OZ OZ. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 3439-00-255-4571 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.