PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25MRod,welding

Aufhauser Corp · NSN 3439-00-826-1207 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-826-1207 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-826-1207. Primary manufacturer part number: 25M.
Features
  • Rod,welding — FSC 3439
  • Filler Metal Chemical Composition in Percent: 38.00 ZINC NOMINAL SECOND ELEMENT
  • Material: COPPER ALLOY FILLER
  • Filler Metal Chemical Composition in Percent: 0.05 LEAD NOMINAL THIRD ELEMENT
  • Process Type for Which Designed: OXYACETYLENE
  • Shape: ROUND
  • Material Document and Classification: 25M MFR REF SINGLE MATERIAL RESPONSE FILLER
  • Filler Metal Chemical Composition in Percent: 61.00 COPPER NOMINAL FIRST ELEMENT
Applications
  • Applications requiring Copper Alloy Filler construction
General Description

The Rod,welding, cataloged under National Stock Number 3439-00-826-1207, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Aufhauser Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-826-1207
Primary Part Number25M
Item NameRod,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAufhauser Corp
StatusCANCELLED
Filler Metal Chemical Composition in Percent38.00 ZINC NOMINAL SECOND ELEMENT
MaterialCOPPER ALLOY FILLER
Filler Metal Chemical Composition in Percent0.05 LEAD NOMINAL THIRD ELEMENT
Process Type for Which DesignedOXYACETYLENE
ShapeROUND
Material Document and Classification25M MFR REF SINGLE MATERIAL RESPONSE FILLER
Filler Metal Chemical Composition in Percent61.00 COPPER NOMINAL FIRST ELEMENT
Weld Position for Which DesignedALL POSITIONS
Length36.000 INCHES NOMINAL IN
Outside Diameter0.062 INCHES NOMINAL IN
Physical FormSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5950-00-252-706525M INTERCHANGEABLE
Electromagnet
Lucent Technologies Inc Corporate Headquarters
5120-00-293-300215253 INTERCHANGEABLE
Face,hammer,inserted
Nupla Corporation
5120-00-302-5850 INTERCHANGEABLE
Adapter,mechanical Puller
6625-00-502-749525M INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
5920-00-504-84292488-141 INTERCHANGEABLE
Fuseholder,extractor Post
Reliance Comm/tec Corp Lorain Products Div
6140-00-984-0159 INTERCHANGEABLE
Battery,storage
Cross-Reference Index
Part NumberManufacturer
25M Union Carbide Corp Sub of Dow Co the (USA)
25M PRIMARY Aufhauser Corp (USA)
Related Parts
5950-00-252-7065INTERCHANGEABLE
ELECTROMAGNET
25M
5120-00-293-3002INTERCHANGEABLE
FACE,HAMMER,INSERTED
15253
5120-00-302-5850INTERCHANGEABLE
ADAPTER,MECHANICAL PULLER
6625-00-502-7495INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
25M
5920-00-504-8429INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
2488-141
6140-00-984-0159INTERCHANGEABLE
BATTERY,STORAGE

Frequently Asked Questions

What is NSN 3439-00-826-1207?

NSN 3439-00-826-1207 is a Rod,welding, manufactured by Aufhauser Corp, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-826-1207?

NSN 3439-00-826-1207 has 2 cross-referenced part numbers: 25M (Union Carbide Corp Sub of Dow Co the), 25M (Aufhauser Corp).

What NSN replaces 3439-00-826-1207?

There are 6 known substitutes for 3439-00-826-1207: 5950-00-252-7065, 5120-00-293-3002, 5120-00-302-5850 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25M?

Key specifications for 25M: Filler Metal Chemical Composition in Percent: 38.00 ZINC NOMINAL SECOND ELEMENT; Material: COPPER ALLOY FILLER; Filler Metal Chemical Composition in Percent: 0.05 LEAD NOMINAL THIRD ELEMENT; Process Type for Which Designed: OXYACETYLENE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-826-1207 still in active supply?

NSN 3439-00-826-1207 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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