PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ALPHA 100 FLUX 1QT CNFlux,soldering

Alpha Metals Inc Div Alpha Assembly Solutions Inc · NSN 3439-01-045-7940 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-045-7940 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-045-7940. Primary manufacturer part number: ALPHA 100 FLUX 1QT CN.
Features
  • Flux,soldering — FSC 3439
  • Content Within Each Unit Package: 1 QT
  • Material for Which Formulated: LEAD TIN ALLOY
  • Nondefinitive Spec/std Data: R TYPE
  • Environmental Protection: OXIDATION RESISTANT
  • Physical Form: LIQUID
  • 11 verified cross-references
  • Primary manufacturer: Alpha Metals Inc Div Alpha Assembly Solutions Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-01-045-7940, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Alpha Metals Inc Div Alpha Assembly Solutions Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-045-7940
Primary Part NumberALPHA 100 FLUX 1QT CN
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAlpha Metals Inc Div Alpha Assembly Solutions Inc
StatusACTIVE
Content Within Each Unit Package1 QT
Material for Which FormulatedLEAD TIN ALLOY
Nondefinitive Spec/std DataR TYPE
Environmental ProtectionOXIDATION RESISTANT
Physical FormLIQUID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3439-00-009-8808 INTERCHANGEABLE
Flux,soldering
3439-00-069-5815FORMULA 197 1QT INTERCHANGEABLE
Flux,soldering
Kester Inc
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
3439-01-141-2161 INTERCHANGEABLE
Flux,soldering
3439-01-373-7966 INTERCHANGEABLE
Flux,soldering
Cross-Reference Index
Part NumberManufacturer
ALPHA 100 FLUX 1QT CN Alpha Metals Inc Div Alpha Assembly Solutions Inc (USA)
INDALLOY 5-R 1QT CN Indium Corp of America (USA)
1035 1QT CN Gardiner Metal Co (USA)
MIL-F-14256 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LONCO MIL-WW-35 1QT CN Alpha Metals Inc (USA)
ALPHA 100 FLUX 1QT CN Frys Metals Inc (USA)
TYPE R 1QT CN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FORMULA 135 1QT CN Kester Inc (USA)
LONCO MIL-W-01 1QT CN Alpha Metals Inc (USA)
1135 1QT CN Gardiner Metal Co (USA)
FORMULA 115 1QT CN Kester Inc (USA)
Related Parts
3439-00-009-8808INTERCHANGEABLE
FLUX,SOLDERING
3439-00-069-5815INTERCHANGEABLE
FLUX,SOLDERING
FORMULA 197 1QT
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
3439-01-141-2161INTERCHANGEABLE
FLUX,SOLDERING
3439-01-373-7966INTERCHANGEABLE
FLUX,SOLDERING

Frequently Asked Questions

What is NSN 3439-01-045-7940?

NSN 3439-01-045-7940 is a Flux,soldering, manufactured by Alpha Metals Inc Div Alpha Assembly Solutions Inc, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-045-7940?

NSN 3439-01-045-7940 has 11 cross-referenced part numbers: ALPHA 100 FLUX 1QT CN (Alpha Metals Inc Div Alpha Assembly Solutions Inc), INDALLOY 5-R 1QT CN (Indium Corp of America), 1035 1QT CN (Gardiner Metal Co), MIL-F-14256 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LONCO MIL-WW-35 1QT CN (Alpha Metals Inc) and 6 more.

What NSN replaces 3439-01-045-7940?

There are 9 known substitutes for 3439-01-045-7940: 3439-00-009-8808, 3439-00-069-5815, 3439-00-162-8388 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ALPHA 100 FLUX 1QT CN?

Key specifications for ALPHA 100 FLUX 1QT CN: Content Within Each Unit Package: 1 QT; Material for Which Formulated: LEAD TIN ALLOY; Nondefinitive Spec/std Data: R TYPE; Environmental Protection: OXIDATION RESISTANT. 5 total characteristics are documented in the Federal Logistics Information System.

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