PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

O-F-506Flux,soldering

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 3439-01-242-9115 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-242-9115 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-242-9115. Primary manufacturer part number: O-F-506.
Features
  • Flux,soldering — FSC 3439
  • Physical Form: LIQUID
  • Nondefinitive Spec/std Data: 2 TYPE AND B FORM
  • Content Within Each Unit Package: 1/2 LB LBS
  • Material for Which Formulated: TIN ALLOY
  • Specific Metal for Which Formulated: COMMON METALS EXCEPT ALUMINUM
  • 4 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 3439-01-242-9115, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-242-9115
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
Physical FormLIQUID
Nondefinitive Spec/std Data2 TYPE AND B FORM
Content Within Each Unit Package1/2 LB LBS
Material for Which FormulatedTIN ALLOY
Specific Metal for Which FormulatedCOMMON METALS EXCEPT ALUMINUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3439-00-250-2629 INTERCHANGEABLE
Flux,soldering
3439-00-255-4566 INTERCHANGEABLE
Flux,soldering
3439-00-255-4571 INTERCHANGEABLE
Flux,soldering
3439-00-260-1264 INTERCHANGEABLE
Flux,soldering
3439-00-629-7489 INTERCHANGEABLE
Flux,soldering
3439-01-069-9176 INTERCHANGEABLE
Flux,soldering
3439-01-236-9572 INTERCHANGEABLE
Flux,soldering
Cross-Reference Index
Part NumberManufacturer
O-F-506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA51145-2B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-51145 TY II FORM B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-51145 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3439-00-250-2629INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-4566INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-4571INTERCHANGEABLE
FLUX,SOLDERING
3439-00-260-1264INTERCHANGEABLE
FLUX,SOLDERING
3439-00-629-7489INTERCHANGEABLE
FLUX,SOLDERING
3439-01-069-9176INTERCHANGEABLE
FLUX,SOLDERING
3439-01-236-9572INTERCHANGEABLE
FLUX,SOLDERING

Frequently Asked Questions

What is NSN 3439-01-242-9115?

NSN 3439-01-242-9115 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 3439-01-242-9115?

NSN 3439-01-242-9115 has 4 cross-referenced part numbers: O-F-506 (Federal Specifications Promulgated by General Services Administration Washington DC), AA51145-2B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-51145 TY II FORM B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-51145 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3439-01-242-9115?

There are 7 known substitutes for 3439-01-242-9115: 3439-00-250-2629, 3439-00-255-4566, 3439-00-255-4571 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of O-F-506?

Key specifications for O-F-506: Physical Form: LIQUID; Nondefinitive Spec/std Data: 2 TYPE AND B FORM; Content Within Each Unit Package: 1/2 LB LBS; Material for Which Formulated: TIN ALLOY. 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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