PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

NI-365-3Welding Powder,metallic Overlay

Praxair Surface Technologies, Inc. Dba Praxair · NSN 3439-01-426-5241 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-426-5241 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-426-5241. Primary manufacturer part number: NI-365-3.
Features
  • Welding Powder,metallic Overlay — FSC 3439
  • Content Within Each Unit Package: 10LB LBS
  • Criticality Code Justification: FEAT
  • 2 verified cross-references
  • Primary manufacturer: Praxair Surface Technologies, Inc. Dba Praxair
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-426-5241, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Praxair Surface Technologies, Inc. Dba Praxair. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-426-5241
Primary Part NumberNI-365-3
Item NameWelding Powder,metallic Overlay
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerPraxair Surface Technologies, Inc. Dba Praxair
StatusACTIVE
Content Within Each Unit Package10LB LBS
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 8
No Item Name Available
No Item Name Available
No Item Name Available
No Item Name Available
3439-00-003-8601SN10WRP20.028 1LB SAME_FSC
Solder,lead Alloy
Solder,lead-Tin Alloy
Housing,electric So
Soldering Gun
Cross-Reference Index
Part NumberManufacturer
POWCVC Dla Aviation Engineering Div Department of Defense (USA)
NI-365-3 PRIMARY Praxair Surface Technologies, Inc. Dba Praxair (USA)
Related Parts
3439-00-001-0002INTERCHANGEABLE
NO ITEM NAME AVAILABLE
3439-00-001-4196INTERCHANGEABLE
NO ITEM NAME AVAILABLE
3439-00-001-4197INTERCHANGEABLE
NO ITEM NAME AVAILABLE
3439-00-003-1195INTERCHANGEABLE
NO ITEM NAME AVAILABLE
3439-00-003-8601INTERCHANGEABLE
SOLDER,LEAD ALLOY
SN10WRP20.028 1LB
3439-00-003-8602INTERCHANGEABLE
SOLDER,LEAD-TIN ALLOY
3439-00-004-0913INTERCHANGEABLE
HOUSING,ELECTRIC SO
3439-00-004-0915INTERCHANGEABLE
SOLDERING GUN

Frequently Asked Questions

What is NSN 3439-01-426-5241?

NSN 3439-01-426-5241 is a Welding Powder,metallic Overlay, manufactured by Praxair Surface Technologies, Inc. Dba Praxair, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-426-5241?

NSN 3439-01-426-5241 has 2 cross-referenced part numbers: POWCVC (Dla Aviation Engineering Div Department of Defense), NI-365-3 (Praxair Surface Technologies, Inc. Dba Praxair).

What NSN replaces 3439-01-426-5241?

There are 8 known substitutes for 3439-01-426-5241: 3439-00-001-0002, 3439-00-001-4196, 3439-00-001-4197 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NI-365-3?

Key specifications for NI-365-3: Content Within Each Unit Package: 10LB LBS; Special Features: UNIT PACKAGE TYPE IS CONTAINER; MATERIAL COMPOSITION- RENE 142;CERTIFICATION: GE B50TF271CLA; Criticality Code Justification: FEAT. 3 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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