PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0.045" MIL-100S-1 FORM 3B FOR 8Electrode,welding

Lincoln Electric Holdings Inc · NSN 3439-01-026-4001 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-026-4001 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-026-4001. Primary manufacturer part number: 0.045" MIL-100S-1 FORM 3B FOR 8.
Features
  • Electrode,welding — FSC 3439
  • Outside Diameter: 0.045 INCHES NOMINAL IN
  • Filler Metal Chemical Composition in Percent: 0.25 MOLYBDENUM MINIMUM AND 0.55 MOLYBDENUM MAXIMUM FOURTH ELEMENT
  • Nondefinitive Spec/std Data: 3B CLASS AND MIL-100S1 TYPE
  • Material: STEEL OVERALL
  • Filler Metal Chemical Composition in Percent: 0.30 CHROMIUM NOMINAL THIRD ELEMENT
  • Criticality Code Justification: ZZZX
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Applications
  • Applications requiring Steel Overall construction
General Description

The Electrode,welding, cataloged under National Stock Number 3439-01-026-4001, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Lincoln Electric Holdings Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN3439-01-026-4001
Primary Part Number0.045" MIL-100S-1 FORM 3B FOR 8
Item NameElectrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerLincoln Electric Holdings Inc
StatusCANCELLED
Outside Diameter0.045 INCHES NOMINAL IN
Filler Metal Chemical Composition in Percent0.25 MOLYBDENUM MINIMUM AND 0.55 MOLYBDENUM MAXIMUM FOURTH ELEMENT
Nondefinitive Spec/std Data3B CLASS AND MIL-100S1 TYPE
MaterialSTEEL OVERALL
Filler Metal Chemical Composition in Percent0.30 CHROMIUM NOMINAL THIRD ELEMENT
Criticality Code JustificationZZZX
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Filler Metal Chemical Composition in Percent0.20 SILICON MINIMUM AND 0.55 SILICON MAXIMUM FIFTH ELEMENT
Filler Metal Chemical Composition in Percent1.40 NICKEL MINIMUM AND 2.10 NICKEL MAXIMUM FIRST ELEMENT
Filler Metal Chemical Composition in Percent1.25 MANGANESE MINIMUM AND 1.80 MANGANESE MAXIMUM SECOND ELEMENT
Polarity CharacteristicREVERSE
Weld Position for Which DesignedHORIZONTAL
Current TypeDC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3439-00-235-4401 INTERCHANGEABLE
Electrode,welding
3439-01-012-6660 INTERCHANGEABLE
Electrode,welding
3439-01-015-6834 INTERCHANGEABLE
Electrode,welding
3439-01-025-4138 INTERCHANGEABLE
Electrode,welding
3439-01-067-0694 INTERCHANGEABLE
Electrode,welding
3439-01-176-8620 INTERCHANGEABLE
Electrode,welding
3439-01-389-8147 INTERCHANGEABLE
Electrode,welding
3439-01-544-5315 INTERCHANGEABLE
Rod,welding
3439-01-600-3026 INTERCHANGEABLE
Electrode,welding
3439-01-640-7424 INTERCHANGEABLE
Electrode,welding
Cross-Reference Index
Part NumberManufacturer
0.045" MIL-100S-1 FORM 3B FOR 8 Lincoln Electric Holdings Inc (USA)
MIL-E-23765/2L1 Naval Inventory Control Point Mechanicsburg (USA)
TY MIL-100S-1 F0RM 3B .045 IN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
T9074-BC-GIB-010/0200 APPEND-BL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-E-23765/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
T9074-BC-GIB-010/0200 APPEND-B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0.045" MIL-100S-1 FORM 3B FOR 8 The Esab Group Inc. Dba Esab Welding & Cutting Products Div Esab Welding and Cutting (USA)
TY MIL-100S-1 F0RM 3B .045 INL1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
3439-00-235-4401INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-012-6660INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-015-6834INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-025-4138INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-067-0694INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-176-8620INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-389-8147INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-544-5315INTERCHANGEABLE
ROD,WELDING
3439-01-600-3026INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-640-7424INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-644-0818INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-644-0840INTERCHANGEABLE
ELECTRODE,WELDING

Frequently Asked Questions

What is NSN 3439-01-026-4001?

NSN 3439-01-026-4001 is a Electrode,welding, manufactured by Lincoln Electric Holdings Inc, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-01-026-4001?

NSN 3439-01-026-4001 has 8 cross-referenced part numbers: 0.045" MIL-100S-1 FORM 3B FOR 8 (Lincoln Electric Holdings Inc), MIL-E-23765/2L1 (Naval Inventory Control Point Mechanicsburg), TY MIL-100S-1 F0RM 3B .045 IN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), T9074-BC-GIB-010/0200 APPEND-BL1 (Naval Inventory Control Point Mechanicsburg), MIL-E-23765/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 3439-01-026-4001?

There are 12 known substitutes for 3439-01-026-4001: 3439-00-235-4401, 3439-01-012-6660, 3439-01-015-6834 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0.045" MIL-100S-1 FORM 3B FOR 8?

Key specifications for 0.045" MIL-100S-1 FORM 3B FOR 8: Outside Diameter: 0.045 INCHES NOMINAL IN; Filler Metal Chemical Composition in Percent: 0.25 MOLYBDENUM MINIMUM AND 0.55 MOLYBDENUM MAXIMUM FOURTH ELEMENT; Nondefinitive Spec/std Data: 3B CLASS AND MIL-100S1 TYPE; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-01-026-4001 still in active supply?

NSN 3439-01-026-4001 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.
PartsTable Design LLC · partstable.com