PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

O-F-506Flux,soldering

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3439-00-260-1264 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-260-1264 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-260-1264. Primary manufacturer part number: O-F-506.
Features
  • Flux,soldering — FSC 3439
  • Nondefinitive Spec/std Data: A FORM AND 1 TYPE
  • Material for Which Formulated: LEAD TIN ALLOY
  • Content Within Each Unit Package: 2 OZ OZ
  • Physical Form: PASTE
  • 1 verified cross-reference
  • 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 3439-00-260-1264, 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 4 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-260-1264
Primary Part NumberO-F-506
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std DataA FORM AND 1 TYPE
Material for Which FormulatedLEAD TIN ALLOY
Content Within Each Unit Package2 OZ OZ
Physical FormPASTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3439-00-255-4566 INTERCHANGEABLE
Flux,soldering
3439-00-255-4571 INTERCHANGEABLE
Flux,soldering
3439-01-069-9176 INTERCHANGEABLE
Flux,soldering
3439-01-236-9572 INTERCHANGEABLE
Flux,soldering
3439-01-242-9115 INTERCHANGEABLE
Flux,soldering
Cross-Reference Index
Part NumberManufacturer
O-F-506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3439-00-255-4566INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-4571INTERCHANGEABLE
FLUX,SOLDERING
3439-01-069-9176INTERCHANGEABLE
FLUX,SOLDERING
3439-01-236-9572INTERCHANGEABLE
FLUX,SOLDERING
3439-01-242-9115INTERCHANGEABLE
FLUX,SOLDERING

Frequently Asked Questions

What is NSN 3439-00-260-1264?

NSN 3439-00-260-1264 is a Flux,soldering, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-260-1264?

NSN 3439-00-260-1264 has 1 cross-referenced part number: O-F-506 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 3439-00-260-1264?

There are 5 known substitutes for 3439-00-260-1264: 3439-00-255-4566, 3439-00-255-4571, 3439-01-069-9176 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of O-F-506?

Key specifications for O-F-506: Nondefinitive Spec/std Data: A FORM AND 1 TYPE; Material for Which Formulated: LEAD TIN ALLOY; Content Within Each Unit Package: 2 OZ OZ; Physical Form: PASTE. 4 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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