PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STAYCLEANFlux,soldering

J. W. Harris Co., Inc. · NSN 3439-00-220-3826 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-220-3826 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-220-3826. Primary manufacturer part number: STAYCLEAN.
Features
  • Flux,soldering — FSC 3439
  • Physical Form: LIQUID
  • Specific Metal for Which Formulated: U/O ALL METALS EXCEPT ALUMINUM
  • Material for Which Formulated: TIN-SILVER
  • Content Within Each Unit Package: 16 OZ OZ
  • Environmental Protection: OXIDATION RESISTANT
  • 1 verified cross-reference
  • Primary manufacturer: J. W. Harris Co., Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-00-220-3826, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is J. W. Harris Co., Inc.. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-220-3826
Primary Part NumberSTAYCLEAN
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerJ. W. Harris Co., Inc.
StatusACTIVE
Physical FormLIQUID
Specific Metal for Which FormulatedU/O ALL METALS EXCEPT ALUMINUM
Material for Which FormulatedTIN-SILVER
Content Within Each Unit Package16 OZ OZ
Environmental ProtectionOXIDATION RESISTANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3439-00-145-9132 INTERCHANGEABLE
Flux,soldering
Cross-Reference Index
Part NumberManufacturer
STAYCLEAN J. W. Harris Co., Inc. (USA)
Related Parts
3439-00-145-9132INTERCHANGEABLE
FLUX,SOLDERING

Frequently Asked Questions

What is NSN 3439-00-220-3826?

NSN 3439-00-220-3826 is a Flux,soldering, manufactured by J. W. Harris Co., Inc., classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-220-3826?

NSN 3439-00-220-3826 has 1 cross-referenced part number: STAYCLEAN (J. W. Harris Co., Inc.).

What NSN replaces 3439-00-220-3826?

There is 1 known substitute for 3439-00-220-3826: 3439-00-145-9132. Verify interchangeability with system specifications before substitution.

What are the specifications of STAYCLEAN?

Key specifications for STAYCLEAN: Physical Form: LIQUID; Specific Metal for Which Formulated: U/O ALL METALS EXCEPT ALUMINUM; Material for Which Formulated: TIN-SILVER; Content Within Each Unit Package: 16 OZ OZ. 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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