PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-E-13191Electrode,welding

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3439-00-262-2737 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-262-2737 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-262-2737. Primary manufacturer part number: MIL-E-13191.
Features
  • Electrode,welding — FSC 3439
  • Shape: ROUND
  • Current Type: DC
  • Weld Position for Which Designed: ALL POSITIONS
  • Nondefinitive Spec/std Data: MIL-ECUSN-C CLASS
  • Material Document and Classification: MIL-E-13191,CL MIL-ECUSN-C MIL SPEC SINGLE MATERIAL RESPONSE FILLER
  • Material: COPPER ALLOY FILLER
  • Flux Coating Type: SHIELDED ARC
Applications
  • Applications requiring Copper Alloy Filler construction
General Description

The Electrode,welding, cataloged under National Stock Number 3439-00-262-2737, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3439-00-262-2737
Primary Part NumberMIL-E-13191
Item NameElectrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
ShapeROUND
Current TypeDC
Weld Position for Which DesignedALL POSITIONS
Nondefinitive Spec/std DataMIL-ECUSN-C CLASS
Material Document and ClassificationMIL-E-13191,CL MIL-ECUSN-C MIL SPEC SINGLE MATERIAL RESPONSE FILLER
MaterialCOPPER ALLOY FILLER
Flux Coating TypeSHIELDED ARC
Outside Diameter0.094 INCHES NOMINAL IN
Physical FormSTRAIGHT
Polarity CharacteristicREVERSE
Length9.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3439-00-200-1376AWSA5.6-08 CL ECUSN-A 0.125 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-247-5159 INTERCHANGEABLE
Electrode,welding
3439-00-262-2739AWSA5.6-79 ECUSN-C 0.156 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-262-2740 INTERCHANGEABLE
Electrode,welding
3439-00-262-4267AWS A5.6 ECUSN-C 0.125 14IN INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
Cross-Reference Index
Part NumberManufacturer
MIL-E-13191 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3439-00-200-1376INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.6-08 CL ECUSN-A 0.125
3439-00-247-5159INTERCHANGEABLE
ELECTRODE,WELDING
3439-00-262-2739INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.6-79 ECUSN-C 0.156
3439-00-262-2740INTERCHANGEABLE
ELECTRODE,WELDING
3439-00-262-4267INTERCHANGEABLE
ELECTRODE,WELDING
AWS A5.6 ECUSN-C 0.125 14IN

Frequently Asked Questions

What is NSN 3439-00-262-2737?

NSN 3439-00-262-2737 is a Electrode,welding, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-262-2737?

NSN 3439-00-262-2737 has 1 cross-referenced part number: MIL-E-13191 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3439-00-262-2737?

There are 5 known substitutes for 3439-00-262-2737: 3439-00-200-1376, 3439-00-247-5159, 3439-00-262-2739 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-E-13191?

Key specifications for MIL-E-13191: Shape: ROUND; Current Type: DC; Weld Position for Which Designed: ALL POSITIONS; Nondefinitive Spec/std Data: MIL-ECUSN-C CLASS. 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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