PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AWSA5.19-80Rod,welding

American Welding Society, Inc. · NSN 3439-00-204-3279 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-204-3279 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-204-3279. Primary manufacturer part number: AWSA5.19-80.
Features
  • Rod,welding — FSC 3439
  • Outside Diameter: 0.250 INCHES NOMINAL IN
  • Filler Metal Chemical Composition in Percent: 0.05 SILICON NOMINAL SIXTH ELEMENT
  • Material: MAGNESIUM FILLER
  • Length: 36.000 INCHES NOMINAL IN
  • Filler Metal Chemical Composition in Percent: 91.00 MAGNESIUM NOMINAL FIRST ELEMENT
  • Filler Metal Chemical Composition in Percent: 2.30 ZINC NOMINAL THIRD ELEMENT
  • Process Type for Which Designed: OXYACETYLENE
Applications
  • Applications requiring Magnesium Filler construction
General Description

The Rod,welding, cataloged under National Stock Number 3439-00-204-3279, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is American Welding Society, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN3439-00-204-3279
Primary Part NumberAWSA5.19-80
Item NameRod,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAmerican Welding Society, Inc.
StatusACTIVE
Outside Diameter0.250 INCHES NOMINAL IN
Filler Metal Chemical Composition in Percent0.05 SILICON NOMINAL SIXTH ELEMENT
MaterialMAGNESIUM FILLER
Length36.000 INCHES NOMINAL IN
Filler Metal Chemical Composition in Percent91.00 MAGNESIUM NOMINAL FIRST ELEMENT
Filler Metal Chemical Composition in Percent2.30 ZINC NOMINAL THIRD ELEMENT
Process Type for Which DesignedOXYACETYLENE
Filler Metal Chemical Composition in Percent0.05 COPPER NOMINAL FIFTH ELEMENT
Weld Position for Which DesignedALL POSITIONS
Material Document and ClassificationAWSA5.19-80 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Physical FormSTRAIGHT
ShapeROUND
Filler Metal Chemical Composition in Percent9.70 ALUMINUM NOMINAL SECOND ELEMENT
Filler Metal Chemical Composition in Percent0.15 MANGANESE NOMINAL FOURTH ELEMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3439-00-204-3203 INTERCHANGEABLE
Rod,welding
3439-00-204-3280 INTERCHANGEABLE
Rod,welding
3439-00-262-4285 INTERCHANGEABLE
Rod,welding
3439-00-262-4286 INTERCHANGEABLE
Rod,welding
3439-00-892-4398 INTERCHANGEABLE
Electrode,welding
Cross-Reference Index
Part NumberManufacturer
AWSA5.19-80 American Welding Society, Inc. (USA)
AWS A5.19 American Welding Society, Inc. (USA)
AZ92A 0.250 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-6944 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3439-00-204-3203INTERCHANGEABLE
ROD,WELDING
3439-00-204-3280INTERCHANGEABLE
ROD,WELDING
3439-00-262-4285INTERCHANGEABLE
ROD,WELDING
3439-00-262-4286INTERCHANGEABLE
ROD,WELDING
3439-00-892-4398INTERCHANGEABLE
ELECTRODE,WELDING

Frequently Asked Questions

What is NSN 3439-00-204-3279?

NSN 3439-00-204-3279 is a Rod,welding, manufactured by American Welding Society, Inc., classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-204-3279?

NSN 3439-00-204-3279 has 4 cross-referenced part numbers: AWSA5.19-80 (American Welding Society, Inc.), AWS A5.19 (American Welding Society, Inc.), AZ92A 0.250 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-6944 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3439-00-204-3279?

There are 5 known substitutes for 3439-00-204-3279: 3439-00-204-3203, 3439-00-204-3280, 3439-00-262-4285 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AWSA5.19-80?

Key specifications for AWSA5.19-80: Outside Diameter: 0.250 INCHES NOMINAL IN; Filler Metal Chemical Composition in Percent: 0.05 SILICON NOMINAL SIXTH ELEMENT; Material: MAGNESIUM FILLER; Length: 36.000 INCHES NOMINAL IN. 14 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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