PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CRod,welding

The Dow Chemical Company Div Performance Chemicals · NSN 3439-00-204-3203 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-204-3203 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-204-3203. Primary manufacturer part number: C.
Features
  • Rod,welding — FSC 3439
  • Outside Diameter: 0.125 INCHES NOMINAL IN
  • Filler Metal Chemical Composition in Percent: 1.50 ZINC NOMINAL THIRD ELEMENT
  • Shape: ROUND
  • Filler Metal Chemical Composition in Percent: 0.15 MANGANESE NOMINAL FOURTH ELEMENT
  • Weld Position for Which Designed: ALL POSITIONS
  • Filler Metal Chemical Composition in Percent: 0.05 SILICON NOMINAL SIXTH ELEMENT
  • Physical Form: STRAIGHT
Applications
  • Applications requiring Magnesium Alloy Filler construction
General Description

The Rod,welding, cataloged under National Stock Number 3439-00-204-3203, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is The Dow Chemical Company Div Performance Chemicals. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-204-3203
Primary Part NumberC
Item NameRod,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerThe Dow Chemical Company Div Performance Chemicals
StatusCANCELLED
Outside Diameter0.125 INCHES NOMINAL IN
Filler Metal Chemical Composition in Percent1.50 ZINC NOMINAL THIRD ELEMENT
ShapeROUND
Filler Metal Chemical Composition in Percent0.15 MANGANESE NOMINAL FOURTH ELEMENT
Weld Position for Which DesignedALL POSITIONS
Filler Metal Chemical Composition in Percent0.05 SILICON NOMINAL SIXTH ELEMENT
Physical FormSTRAIGHT
Length36.000 INCHES NOMINAL IN
MaterialMAGNESIUM ALLOY FILLER
Material Document and ClassificationAWSA5.19-80 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Filler Metal Chemical Composition in Percent0.05 COPPER NOMINAL FIFTH ELEMENT
Filler Metal Chemical Composition in Percent91.00 MAGNESIUM NOMINAL FIRST ELEMENT
Process Type for Which DesignedOXYACETYLENE
Filler Metal Chemical Composition in Percent5.80 ALUMINUM NOMINAL SECOND ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3439-00-204-3279 INTERCHANGEABLE
Rod,welding
3439-00-204-3280 INTERCHANGEABLE
Rod,welding
3439-00-262-4285 INTERCHANGEABLE
Rod,welding
3439-00-262-4286 INTERCHANGEABLE
Rod,welding
3439-00-372-4776AWSA5.18-79 E70S-3 0.045 12LB INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-593-2241AWSA5.18-79 E70S-3 0.035 2-1/2LB INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-892-4398 INTERCHANGEABLE
Electrode,welding
3439-01-012-1003ER70S-3 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-01-017-2792 INTERCHANGEABLE
Rod,welding
3439-01-045-0481HB28 .045 INTERCHANGEABLE
Electrode,welding
Hobart Bros Co
Cross-Reference Index
Part NumberManufacturer
C The Dow Chemical Company Div Performance Chemicals (USA)
AWSA5.19-80 American Welding Society, Inc. (USA)
107975A Dravo Marine Equipment Co Div of Dravo Corp (USA)
MIL-R-6944 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AWS A5.18/A5.18M American Welding Society, Inc. (USA)
AZ92A 0.125 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AM59S Aluminum Co of America (USA)
Related Parts
3439-00-204-3279INTERCHANGEABLE
ROD,WELDING
3439-00-204-3280INTERCHANGEABLE
ROD,WELDING
3439-00-262-4285INTERCHANGEABLE
ROD,WELDING
3439-00-262-4286INTERCHANGEABLE
ROD,WELDING
3439-00-372-4776INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 E70S-3 0.045 12LB
3439-00-593-2241INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 E70S-3 0.035 2-1/2LB
3439-00-892-4398INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-012-1003INTERCHANGEABLE
ELECTRODE,WELDING
ER70S-3
3439-01-017-2792INTERCHANGEABLE
ROD,WELDING
3439-01-045-0481INTERCHANGEABLE
ELECTRODE,WELDING
HB28 .045
3439-01-092-4596INTERCHANGEABLE
ELECTRODE,WELDING
AWS A5.18-17ER70S-6 0.045 33LBSP
3439-01-122-1900INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 ER70S-4 0.035 12LB

Frequently Asked Questions

What is NSN 3439-00-204-3203?

NSN 3439-00-204-3203 is a Rod,welding, manufactured by The Dow Chemical Company Div Performance Chemicals, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-204-3203?

NSN 3439-00-204-3203 has 7 cross-referenced part numbers: C (The Dow Chemical Company Div Performance Chemicals), AWSA5.19-80 (American Welding Society, Inc.), 107975A (Dravo Marine Equipment Co Div of Dravo Corp), MIL-R-6944 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AWS A5.18/A5.18M (American Welding Society, Inc.) and 2 more.

What NSN replaces 3439-00-204-3203?

There are 12 known substitutes for 3439-00-204-3203: 3439-00-204-3279, 3439-00-204-3280, 3439-00-262-4285 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C?

Key specifications for C: Outside Diameter: 0.125 INCHES NOMINAL IN; Filler Metal Chemical Composition in Percent: 1.50 ZINC NOMINAL THIRD ELEMENT; Shape: ROUND; Filler Metal Chemical Composition in Percent: 0.15 MANGANESE NOMINAL FOURTH ELEMENT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-204-3203 still in active supply?

NSN 3439-00-204-3203 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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