PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-51145Flux,soldering

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3439-00-629-7489 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-629-7489 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-629-7489. Primary manufacturer part number: A-A-51145.
Features
  • Flux,soldering — FSC 3439
  • Nondefinitive Spec/std Data: B FORM AND II TYPE
  • Content Within Each Unit Package: 1 PT
  • Material for Which Formulated: CHROMIUM
  • Physical Form: LIQUID
  • Environmental Protection: CORROSION RESISTANT
  • 4 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-00-629-7489, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-629-7489
Primary Part NumberA-A-51145
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std DataB FORM AND II TYPE
Content Within Each Unit Package1 PT
Material for Which FormulatedCHROMIUM
Physical FormLIQUID
Environmental ProtectionCORROSION RESISTANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3439-00-145-9132 INTERCHANGEABLE
Flux,soldering
3439-00-250-2629 INTERCHANGEABLE
Flux,soldering
3439-00-255-4566 INTERCHANGEABLE
Flux,soldering
3439-00-255-4571 INTERCHANGEABLE
Flux,soldering
3439-00-255-9935 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
A-A-51145 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA51145-2B 1 PINT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
0-F-506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-51145 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3439-00-145-9132INTERCHANGEABLE
FLUX,SOLDERING
3439-00-250-2629INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-4566INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-4571INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-9935INTERCHANGEABLE
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 3439-00-629-7489?

NSN 3439-00-629-7489 is a Flux,soldering, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-629-7489?

NSN 3439-00-629-7489 has 4 cross-referenced part numbers: A-A-51145 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA51145-2B 1 PINT (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 0-F-506 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-51145 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3439-00-629-7489?

There are 8 known substitutes for 3439-00-629-7489: 3439-00-145-9132, 3439-00-250-2629, 3439-00-255-4566 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-51145?

Key specifications for A-A-51145: Nondefinitive Spec/std Data: B FORM AND II TYPE; Content Within Each Unit Package: 1 PT; Material for Which Formulated: CHROMIUM; Physical Form: LIQUID. 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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