PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TY MIL-70S-2 FORM 3B.045INElectrode,welding

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3439-01-620-3992 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-620-3992 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-620-3992. Primary manufacturer part number: TY MIL-70S-2 FORM 3B.045IN.
Features
  • Electrode,welding — FSC 3439
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • 6 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Electrode,welding, cataloged under National Stock Number 3439-01-620-3992, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-01-620-3992
Primary Part NumberTY MIL-70S-2 FORM 3B.045IN
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
StatusCANCELLED
Criticality Code JustificationZZZW
Departure From Cited DocumentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3439-00-900-8737 INTERCHANGEABLE
Rod,welding
3439-01-012-1003ER70S-3 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-01-013-2799 INTERCHANGEABLE
Electrode,welding
3439-01-013-2800 INTERCHANGEABLE
Electrode,welding
3439-01-017-2792 INTERCHANGEABLE
Rod,welding
3439-01-028-3999 INTERCHANGEABLE
Electrode,welding
3439-01-063-7301 INTERCHANGEABLE
Electrode,welding
3439-01-063-7302 INTERCHANGEABLE
Electrode,welding
3439-01-389-8274 INTERCHANGEABLE
Electrode,welding
Cross-Reference Index
Part NumberManufacturer
TY MIL-70S-2 FORM 3B.045IN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TY MIL-70S-2 FORM 3B.045INL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-E-23765/1 70S-6 0.045 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-E-23765/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-E-23765/1 70S-6 0.045L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-E-23765/1 L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
3439-00-900-8737INTERCHANGEABLE
ROD,WELDING
3439-01-012-1003INTERCHANGEABLE
ELECTRODE,WELDING
ER70S-3
3439-01-013-2799INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-013-2800INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-017-2792INTERCHANGEABLE
ROD,WELDING
3439-01-028-3999INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-063-7301INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-063-7302INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-389-8274INTERCHANGEABLE
ELECTRODE,WELDING

Frequently Asked Questions

What is NSN 3439-01-620-3992?

NSN 3439-01-620-3992 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: cancelled.

What are the part numbers for NSN 3439-01-620-3992?

NSN 3439-01-620-3992 has 6 cross-referenced part numbers: TY MIL-70S-2 FORM 3B.045IN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TY MIL-70S-2 FORM 3B.045INL1 (Naval Inventory Control Point Mechanicsburg), MIL-E-23765/1 70S-6 0.045 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-E-23765/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-E-23765/1 70S-6 0.045L1 (Naval Inventory Control Point Mechanicsburg) and 1 more.

What NSN replaces 3439-01-620-3992?

There are 9 known substitutes for 3439-01-620-3992: 3439-00-900-8737, 3439-01-012-1003, 3439-01-013-2799 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TY MIL-70S-2 FORM 3B.045IN?

Key specifications for TY MIL-70S-2 FORM 3B.045IN: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Special Features: ELECTRODE WELD 70S6. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-01-620-3992 still in active supply?

NSN 3439-01-620-3992 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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