PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-R-17131Rod,welding

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3439-00-542-0412 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-542-0412 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-542-0412. Primary manufacturer part number: MIL-R-17131.
Features
  • Rod,welding — FSC 3439
  • Material: NICKEL ALLOY FILLER
  • Material Document and Classification: MIL-R-17131,TY MIL-RN1CR-C-1 MIL SPEC SINGLE MATERIAL RESPONSE FILLER
  • Shape: ROUND
  • Length: 14.000 INCHES NOMINAL IN
  • Outside Diameter: 0.312 INCHES NOMINAL IN
  • Physical Form: STRAIGHT
  • Weld Position for Which Designed: HORIZONTAL
Applications
  • Applications requiring Nickel Alloy Filler construction
General Description

The Rod,welding, cataloged under National Stock Number 3439-00-542-0412, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-542-0412
Primary Part NumberMIL-R-17131
Item NameRod,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
MaterialNICKEL ALLOY FILLER
Material Document and ClassificationMIL-R-17131,TY MIL-RN1CR-C-1 MIL SPEC SINGLE MATERIAL RESPONSE FILLER
ShapeROUND
Length14.000 INCHES NOMINAL IN
Outside Diameter0.312 INCHES NOMINAL IN
Physical FormSTRAIGHT
Weld Position for Which DesignedHORIZONTAL
Process Type for Which DesignedGAS METAL ARC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3439-00-065-8478 INTERCHANGEABLE
Rod,welding
3439-00-277-2107 INTERCHANGEABLE
Rod,welding
3439-00-542-0411 INTERCHANGEABLE
Rod,welding
3439-01-022-5848AWSA5.13-70 RCOCR-A 1/8 INTERCHANGEABLE
Rod,welding
American Welding Society, Inc.
3439-01-376-9906 INTERCHANGEABLE
Rod,welding
3439-01-377-0073 INTERCHANGEABLE
Rod,welding
Cross-Reference Index
Part NumberManufacturer
MIL-R-17131 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-RN1CR-C-1-0.312 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3439-00-065-8478INTERCHANGEABLE
ROD,WELDING
3439-00-277-2107INTERCHANGEABLE
ROD,WELDING
3439-00-542-0411INTERCHANGEABLE
ROD,WELDING
3439-01-022-5848INTERCHANGEABLE
ROD,WELDING
AWSA5.13-70 RCOCR-A 1/8
3439-01-376-9906INTERCHANGEABLE
ROD,WELDING
3439-01-377-0073INTERCHANGEABLE
ROD,WELDING

Frequently Asked Questions

What is NSN 3439-00-542-0412?

NSN 3439-00-542-0412 is a Rod,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 3439-00-542-0412?

NSN 3439-00-542-0412 has 2 cross-referenced part numbers: MIL-R-17131 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-RN1CR-C-1-0.312 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3439-00-542-0412?

There are 6 known substitutes for 3439-00-542-0412: 3439-00-065-8478, 3439-00-277-2107, 3439-00-542-0411 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-R-17131?

Key specifications for MIL-R-17131: Material: NICKEL ALLOY FILLER; Material Document and Classification: MIL-R-17131,TY MIL-RN1CR-C-1 MIL SPEC SINGLE MATERIAL RESPONSE FILLER; Shape: ROUND; Length: 14.000 INCHES NOMINAL IN. 8 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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