PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AWSA5.18-79 E70S-3 0.045 12LBElectrode,welding

American Welding Society, Inc. · NSN 3439-00-372-4776 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-372-4776 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-372-4776. Primary manufacturer part number: AWSA5.18-79 E70S-3 0.045 12LB.
Features
  • Electrode,welding — FSC 3439
  • Quantity Within Each Unit Package: 12.0 POUNDS LBS
  • Shape: ROUND
  • Container Type: REEL
  • Weld Position for Which Designed: ALL POSITIONS
  • Polarity Characteristic: REVERSE
  • Flux Coating Type: SHIELDED ARC
  • Current Type: DC
Applications
  • Applications requiring Steel Filler construction
General Description

The Electrode,welding, cataloged under National Stock Number 3439-00-372-4776, 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 10 commercial cross-references from 9 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
NSN3439-00-372-4776
Primary Part NumberAWSA5.18-79 E70S-3 0.045 12LB
Item NameElectrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAmerican Welding Society, Inc.
StatusCANCELLED
Quantity Within Each Unit Package12.0 POUNDS LBS
ShapeROUND
Container TypeREEL
Weld Position for Which DesignedALL POSITIONS
Polarity CharacteristicREVERSE
Flux Coating TypeSHIELDED ARC
Current TypeDC
Physical FormROLL
Outside Diameter0.045 INCHES NOMINAL IN
Material Document and ClassificationAWSA5.18-79,CL E70S-3 ASSN STD SINGLE MATERIAL RESPONSE FILLER
MaterialSTEEL FILLER
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
3439-00-593-2241AWSA5.18-79 E70S-3 0.035 2-1/2LB 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
A675 Airco Welding Products Div of the Boc Group Inc (USA)
AWSA5.18-79 E70S-3 0.045 12LB PRIMARY American Welding Society, Inc. (USA)
AWS A5.18/A5.18M American Welding Society, Inc. (USA)
AS-25 Page-Wilson Corp (USA)
82 Union Carbide Corp Linde Div (USA)
P-H CO-85 The Esab Group Inc. Dba Esab Welding & Cutting Products Div Esab Welding and Cutting (USA)
C2334-6515 Airco Industrial Gases Div of Airco Inc (USA)
IMPERIAL 75 Midstates Wire (USA)
25 Hobart Bros Co (USA)
HTS-121G Central Wire Industries Ltd (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
3439-00-593-2241INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 E70S-3 0.035 2-1/2LB
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 3439-00-372-4776?

NSN 3439-00-372-4776 is a Electrode,welding, manufactured by American Welding Society, Inc., classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-372-4776?

NSN 3439-00-372-4776 has 10 cross-referenced part numbers: A675 (Airco Welding Products Div of the Boc Group Inc), AWSA5.18-79 E70S-3 0.045 12LB (American Welding Society, Inc.), AWS A5.18/A5.18M (American Welding Society, Inc.), AS-25 (Page-Wilson Corp), 82 (Union Carbide Corp Linde Div) and 5 more.

What NSN replaces 3439-00-372-4776?

There are 12 known substitutes for 3439-00-372-4776: 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 0.045 12LB?

Key specifications for AWSA5.18-79 E70S-3 0.045 12LB: Quantity Within Each Unit Package: 12.0 POUNDS LBS; Shape: ROUND; Container Type: REEL; Weld Position for Which Designed: ALL POSITIONS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-372-4776 still in active supply?

NSN 3439-00-372-4776 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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