PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0F506Flux,soldering

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3439-00-255-9935 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-255-9935 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-255-9935. Primary manufacturer part number: 0F506.
Features
  • Flux,soldering — FSC 3439
  • Material for Which Formulated: LEAD TIN ALLOY
  • Content Within Each Unit Package: 1 LB LBS
  • Specific Metal for Which Formulated: ALL METALS EXCEPT ALUMINUM
  • Environmental Protection: OXIDATION RESISTANT
  • Physical Form: PASTE
  • 2 verified cross-references
  • Primary manufacturer: Federal Specifications Promulgated by General Services Administration Washington DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-00-255-9935, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-255-9935
Primary Part Number0F506
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Material for Which FormulatedLEAD TIN ALLOY
Content Within Each Unit Package1 LB LBS
Specific Metal for Which FormulatedALL METALS EXCEPT ALUMINUM
Environmental ProtectionOXIDATION RESISTANT
Physical FormPASTE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3439-00-145-9132 INTERCHANGEABLE
Flux,soldering
3439-00-629-7489 INTERCHANGEABLE
Flux,soldering
Cross-Reference Index
Part NumberManufacturer
0F506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-51145 TY 1 FORM A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3439-00-145-9132INTERCHANGEABLE
FLUX,SOLDERING
3439-00-629-7489INTERCHANGEABLE
FLUX,SOLDERING

Frequently Asked Questions

What is NSN 3439-00-255-9935?

NSN 3439-00-255-9935 is a Flux,soldering, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-255-9935?

NSN 3439-00-255-9935 has 2 cross-referenced part numbers: 0F506 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-51145 TY 1 FORM A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3439-00-255-9935?

There are 2 known substitutes for 3439-00-255-9935: 3439-00-145-9132, 3439-00-629-7489. Verify interchangeability with system specifications before substitution.

What are the specifications of 0F506?

Key specifications for 0F506: Material for Which Formulated: LEAD TIN ALLOY; Content Within Each Unit Package: 1 LB LBS; Specific Metal for Which Formulated: ALL METALS EXCEPT ALUMINUM; Environmental Protection: OXIDATION RESISTANT. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-255-9935 still in active supply?

NSN 3439-00-255-9935 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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