PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AWSA5.1-78 E6012 0.188Electrode,welding

American Welding Society, Inc. · NSN 3439-00-273-3719 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-273-3719 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-273-3719. Primary manufacturer part number: AWSA5.1-78 E6012 0.188.
Features
  • Electrode,welding — FSC 3439
  • Length: 14.000 INCHES NOMINAL IN
  • Physical Form: STRAIGHT
  • Outside Diameter: 0.188 INCHES NOMINAL IN
  • Flux Coating Type: SHIELDED ARC
  • Shape: ROUND
  • Weld Position for Which Designed: ALL POSITIONS
  • Current Type: AC OR DC
Applications
  • Applications requiring Steel Filler construction
General Description

The Electrode,welding, cataloged under National Stock Number 3439-00-273-3719, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-273-3719
Primary Part NumberAWSA5.1-78 E6012 0.188
Item NameElectrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAmerican Welding Society, Inc.
StatusCANCELLED
Length14.000 INCHES NOMINAL IN
Physical FormSTRAIGHT
Outside Diameter0.188 INCHES NOMINAL IN
Flux Coating TypeSHIELDED ARC
ShapeROUND
Weld Position for Which DesignedALL POSITIONS
Current TypeAC OR DC
Material Document and ClassificationAWSA5.1-78,CL E6012 ASSN STD SINGLE MATERIAL RESPONSE FILLER
MaterialSTEEL FILLER
Polarity CharacteristicREVERSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3439-00-262-2648FLEETWELD 37 1/8X14IN INTERCHANGEABLE
Electrode,welding
Lincoln Electric Holdings Inc
3439-00-267-4787AWSA5.1-78 E6013 0.094 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-267-4789 INTERCHANGEABLE
Electrode,welding
Cross-Reference Index
Part NumberManufacturer
FLEETWELD 7 3/16 Lincoln Electric Holdings Inc (USA)
AP6012GP 3/16 Air Products & Chemicals, Inc (USA)
AIRCO 6012 3/16 Airco Welding Products Div of the Boc Group Inc (USA)
AWS A5.1/A5.1M American Welding Society, Inc. (USA)
QQ-E-450 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FLEETWELD7 Lincoln Electric Holdings Inc (USA)
HOBART 212A 3/16 Hobart Bros Co (USA)
AWSA5.1-78 E6012 0.188 PRIMARY American Welding Society, Inc. (USA)
Related Parts
3439-00-262-2648INTERCHANGEABLE
ELECTRODE,WELDING
FLEETWELD 37 1/8X14IN
3439-00-267-4787INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.1-78 E6013 0.094
3439-00-267-4789INTERCHANGEABLE
ELECTRODE,WELDING

Frequently Asked Questions

What is NSN 3439-00-273-3719?

NSN 3439-00-273-3719 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 3439-00-273-3719?

NSN 3439-00-273-3719 has 8 cross-referenced part numbers: FLEETWELD 7 3/16 (Lincoln Electric Holdings Inc), AP6012GP 3/16 (Air Products & Chemicals, Inc), AIRCO 6012 3/16 (Airco Welding Products Div of the Boc Group Inc), AWS A5.1/A5.1M (American Welding Society, Inc.), QQ-E-450 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 3439-00-273-3719?

There are 3 known substitutes for 3439-00-273-3719: 3439-00-262-2648, 3439-00-267-4787, 3439-00-267-4789. Verify interchangeability with system specifications before substitution.

What are the specifications of AWSA5.1-78 E6012 0.188?

Key specifications for AWSA5.1-78 E6012 0.188: Length: 14.000 INCHES NOMINAL IN; Physical Form: STRAIGHT; Outside Diameter: 0.188 INCHES NOMINAL IN; Flux Coating Type: SHIELDED ARC. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-273-3719 still in active supply?

NSN 3439-00-273-3719 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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