PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AWSA5.18-79 E70S-3 0.035 2-1/2LBElectrode,welding

American Welding Society, Inc. · NSN 3439-00-593-2241 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-593-2241 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-593-2241. Primary manufacturer part number: AWSA5.18-79 E70S-3 0.035 2-1/2LB.
Features
  • Electrode,welding — FSC 3439
  • Outside Diameter: 0.035 INCHES NOMINAL IN
  • Material: STEEL FILLER
  • Material Document and Classification: AWSA5.18-79,CL E70S-3 ASSN STD SINGLE MATERIAL RESPONSE FILLER
  • Shape: ROUND
  • Weld Position for Which Designed: HORIZONTAL
  • Container Type: REEL
  • Polarity Characteristic: REVERSE
Applications
  • Applications requiring Steel Filler construction
General Description

The Electrode,welding, cataloged under National Stock Number 3439-00-593-2241, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-593-2241
Primary Part NumberAWSA5.18-79 E70S-3 0.035 2-1/2LB
Item NameElectrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAmerican Welding Society, Inc.
StatusACTIVE
Outside Diameter0.035 INCHES NOMINAL IN
MaterialSTEEL FILLER
Material Document and ClassificationAWSA5.18-79,CL E70S-3 ASSN STD SINGLE MATERIAL RESPONSE FILLER
ShapeROUND
Weld Position for Which DesignedHORIZONTAL
Container TypeREEL
Polarity CharacteristicREVERSE
Flux Coating TypeSHIELDED ARC
Physical FormROLL
Current TypeDC
Quantity Within Each Unit Package2.5 POUNDS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-188-7938 INTERCHANGEABLE
Nut,plain,blind Rivet
3439-00-204-3203 INTERCHANGEABLE
Rod,welding
5360-00-266-4910A675 INTERCHANGEABLE
Spring,helical,compression
Crane Co Div Valve Div
3439-00-372-4776AWSA5.18-79 E70S-3 0.045 12LB INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-602-1544 INTERCHANGEABLE
Electrode,welding
3020-00-623-5324AS25 INTERCHANGEABLE
Pulley,groove
Emerson Electric Co Browning Mfg Div
3020-00-661-20849L76 INTERCHANGEABLE
Gear Cluster
Dynalec Corporation
5120-00-761-8109A675 INTERCHANGEABLE
Extractor
Ametek Inc Div Aerospace and Defense
6240-00-764-8237 INTERCHANGEABLE
Lamp,incandescent
3439-01-012-1003ER70S-3 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
Cross-Reference Index
Part NumberManufacturer
HB-25 0.035 2-1/2 LB Hobart Bros Co (USA)
AWSA5.18-79 E70S-3 0.035 2-1/2LB PRIMARY American Welding Society, Inc. (USA)
A559-65TE60S3 American Society for Testing and Materials Dba Astm International (USA)
A675 Airco Welding Products Div of the Boc Group Inc (USA)
HTS-121G Central Wire Industries Ltd (USA)
IMPERIAL 75 Midstates Wire (USA)
AWS A5.18/A5.18M American Welding Society, Inc. (USA)
P-H CO-85 The Esab Group Inc. Dba Esab Welding & Cutting Products Div Esab Welding and Cutting (USA)
AS-25 Page-Wilson Corp (USA)
Related Parts
5310-00-188-7938INTERCHANGEABLE
NUT,PLAIN,BLIND RIVET
3439-00-204-3203INTERCHANGEABLE
ROD,WELDING
5360-00-266-4910INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A675
3439-00-372-4776INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 E70S-3 0.045 12LB
3439-00-602-1544INTERCHANGEABLE
ELECTRODE,WELDING
3020-00-623-5324INTERCHANGEABLE
PULLEY,GROOVE
AS25
3020-00-661-2084INTERCHANGEABLE
GEAR CLUSTER
9L76
5120-00-761-8109INTERCHANGEABLE
EXTRACTOR
A675
6240-00-764-8237INTERCHANGEABLE
LAMP,INCANDESCENT
3439-01-012-1003INTERCHANGEABLE
ELECTRODE,WELDING
ER70S-3
3439-01-013-2800INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-017-2792INTERCHANGEABLE
ROD,WELDING

Frequently Asked Questions

What is NSN 3439-00-593-2241?

NSN 3439-00-593-2241 is a Electrode,welding, manufactured by American Welding Society, Inc., classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-593-2241?

NSN 3439-00-593-2241 has 9 cross-referenced part numbers: HB-25 0.035 2-1/2 LB (Hobart Bros Co), AWSA5.18-79 E70S-3 0.035 2-1/2LB (American Welding Society, Inc.), A559-65TE60S3 (American Society for Testing and Materials Dba Astm International), A675 (Airco Welding Products Div of the Boc Group Inc), HTS-121G (Central Wire Industries Ltd) and 4 more.

What NSN replaces 3439-00-593-2241?

There are 12 known substitutes for 3439-00-593-2241: 5310-00-188-7938, 3439-00-204-3203, 5360-00-266-4910 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AWSA5.18-79 E70S-3 0.035 2-1/2LB?

Key specifications for AWSA5.18-79 E70S-3 0.035 2-1/2LB: Outside Diameter: 0.035 INCHES NOMINAL IN; Material: STEEL FILLER; Material Document and Classification: AWSA5.18-79,CL E70S-3 ASSN STD SINGLE MATERIAL RESPONSE FILLER; Shape: ROUND. 11 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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