PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7972A122Rod,welding

Mcmaster-Carr Supply Co · NSN 3439-01-050-7863 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-050-7863 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-050-7863. Primary manufacturer part number: 7972A122.
Features
  • Rod,welding — FSC 3439
  • Weld Position for Which Designed: ALL POSITIONS
  • Material: STEEL FILLER
  • Surface Treatment: COPPER
  • Material Document and Classification: 7972A122 MFR REF SINGLE MATERIAL RESPONSE FILLER
  • Shape: ROUND
  • Physical Form: STRAIGHT
  • Process Type for Which Designed: OXYACETYLENE
Applications
  • Applications requiring Steel Filler construction
General Description

The Rod,welding, cataloged under National Stock Number 3439-01-050-7863, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 9 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-050-7863
Primary Part Number7972A122
Item NameRod,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Weld Position for Which DesignedALL POSITIONS
MaterialSTEEL FILLER
Surface TreatmentCOPPER
Material Document and Classification7972A122 MFR REF SINGLE MATERIAL RESPONSE FILLER
ShapeROUND
Physical FormSTRAIGHT
Process Type for Which DesignedOXYACETYLENE
Length36.000 INCHES NOMINAL IN
Outside Diameter0.093 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3439-00-163-4362AWSA5.2-80 R45 0.125 10LB INTERCHANGEABLE
Rod,welding
American Welding Society, Inc.
3439-00-246-0564AWSA5.2-80 RG60 0.062 INTERCHANGEABLE
Rod,welding
American Welding Society, Inc.
3439-00-246-0565AWSA5.2-80 RG60 0.093 INTERCHANGEABLE
Rod,welding
American Welding Society, Inc.
3439-00-246-0566AWSA5.2-18 RG60 0.125 INTERCHANGEABLE
Rod,welding
American Welding Society, Inc.
3439-00-246-0567AWSA5.2-69 RG60 5/32 INTERCHANGEABLE
Rod,welding
American Welding Society, Inc.
3439-00-246-0569AWSA5.2-80 R60 0.250 INTERCHANGEABLE
Rod,welding
American Welding Society, Inc.
3439-00-900-8737 INTERCHANGEABLE
Rod,welding
Cross-Reference Index
Part NumberManufacturer
AWS A5.2 American Welding Society, Inc. (USA)
7972A122 PRIMARY Mcmaster-Carr Supply Co (USA)
Related Parts
3439-00-163-4362INTERCHANGEABLE
ROD,WELDING
AWSA5.2-80 R45 0.125 10LB
3439-00-246-0564INTERCHANGEABLE
ROD,WELDING
AWSA5.2-80 RG60 0.062
3439-00-246-0565INTERCHANGEABLE
ROD,WELDING
AWSA5.2-80 RG60 0.093
3439-00-246-0566INTERCHANGEABLE
ROD,WELDING
AWSA5.2-18 RG60 0.125
3439-00-246-0567INTERCHANGEABLE
ROD,WELDING
AWSA5.2-69 RG60 5/32
3439-00-246-0569INTERCHANGEABLE
ROD,WELDING
AWSA5.2-80 R60 0.250
3439-00-900-8737INTERCHANGEABLE
ROD,WELDING

Frequently Asked Questions

What is NSN 3439-01-050-7863?

NSN 3439-01-050-7863 is a Rod,welding, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-050-7863?

NSN 3439-01-050-7863 has 2 cross-referenced part numbers: AWS A5.2 (American Welding Society, Inc.), 7972A122 (Mcmaster-Carr Supply Co).

What NSN replaces 3439-01-050-7863?

There are 7 known substitutes for 3439-01-050-7863: 3439-00-163-4362, 3439-00-246-0564, 3439-00-246-0565 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7972A122?

Key specifications for 7972A122: Weld Position for Which Designed: ALL POSITIONS; Material: STEEL FILLER; Surface Treatment: COPPER; Material Document and Classification: 7972A122 MFR REF SINGLE MATERIAL RESPONSE FILLER. 9 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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