PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FORMULA 197 1QTFlux,soldering

Kester Inc · NSN 3439-00-069-5815 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-069-5815 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-069-5815. Primary manufacturer part number: FORMULA 197 1QT.
Features
  • Flux,soldering — FSC 3439
  • Content Within Each Unit Package: 1 QT
  • Nondefinitive Spec/std Data: RMA TYPE
  • 15 verified cross-references
  • Primary manufacturer: Kester Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-00-069-5815, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-069-5815
Primary Part NumberFORMULA 197 1QT
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerKester Inc
StatusCANCELLED
Content Within Each Unit Package1 QT
Nondefinitive Spec/std DataRMA TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3439-00-009-8808 INTERCHANGEABLE
Flux,soldering
3439-00-162-8388 INTERCHANGEABLE
Flux,soldering
3439-00-220-3827 INTERCHANGEABLE
Flux,soldering
3439-00-400-1972 INTERCHANGEABLE
Flux,soldering
3439-00-752-87281544 SOLDER INTERCHANGEABLE
Flux,soldering
Kester Inc
3439-01-007-5494 INTERCHANGEABLE
Flux,soldering
3439-01-045-7940 INTERCHANGEABLE
Flux,soldering
3439-01-141-2161 INTERCHANGEABLE
Flux,soldering
3439-01-373-7966 INTERCHANGEABLE
Flux,soldering
Cross-Reference Index
Part NumberManufacturer
FORMULA 197 1QT PRIMARY Kester Inc (USA)
1235 1QT Gardiner Metal Co (USA)
ALPHA 620F FLUX 1QT Alpha Metals Inc Div Alpha Assembly Solutions Inc (USA)
410-35 1QT Canfield Technologies, Llc (USA)
NUMBER 8 FLUX 1QT American Solder and Flux Co Inc Force Chemicals Div (USA)
ALPHA 611F FLUX 1QT Alpha Metals Inc Div Alpha Assembly Solutions Inc (USA)
ALPHA 620F FLUX 1QT Frys Metals Inc (USA)
ASTM B32 American Society for Testing and Materials Dba Astm International (USA)
FLUX RMA 1QT Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
INDALLOY 5-RMA 1QT Indium Corp of America (USA)
MILF14256 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B32-94 RMA American Society for Testing and Materials Dba Astm International (USA)
FORMULA 196 1QT Kester Inc (USA)
ALPHA 611F FLUX 1QT Frys Metals Inc (USA)
LONCO MIL-A-35-DA 1QT Alpha Metals Inc (USA)
Related Parts
3439-00-009-8808INTERCHANGEABLE
FLUX,SOLDERING
3439-00-162-8388INTERCHANGEABLE
FLUX,SOLDERING
3439-00-220-3827INTERCHANGEABLE
FLUX,SOLDERING
3439-00-400-1972INTERCHANGEABLE
FLUX,SOLDERING
3439-00-752-8728INTERCHANGEABLE
FLUX,SOLDERING
1544 SOLDER
3439-01-007-5494INTERCHANGEABLE
FLUX,SOLDERING
3439-01-045-7940INTERCHANGEABLE
FLUX,SOLDERING
3439-01-141-2161INTERCHANGEABLE
FLUX,SOLDERING
3439-01-373-7966INTERCHANGEABLE
FLUX,SOLDERING

Frequently Asked Questions

What is NSN 3439-00-069-5815?

NSN 3439-00-069-5815 is a Flux,soldering, manufactured by Kester Inc, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-069-5815?

NSN 3439-00-069-5815 has 15 cross-referenced part numbers: FORMULA 197 1QT (Kester Inc), 1235 1QT (Gardiner Metal Co), ALPHA 620F FLUX 1QT (Alpha Metals Inc Div Alpha Assembly Solutions Inc), 410-35 1QT (Canfield Technologies, Llc), NUMBER 8 FLUX 1QT (American Solder and Flux Co Inc Force Chemicals Div) and 10 more.

What NSN replaces 3439-00-069-5815?

There are 9 known substitutes for 3439-00-069-5815: 3439-00-009-8808, 3439-00-162-8388, 3439-00-220-3827 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FORMULA 197 1QT?

Key specifications for FORMULA 197 1QT: Content Within Each Unit Package: 1 QT; Nondefinitive Spec/std Data: RMA TYPE. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-069-5815 still in active supply?

NSN 3439-00-069-5815 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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