PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

NI-171Welding Powder,metallic Overlay

Praxair Surface Technologies, Inc. Dba Praxair · NSN 3439-01-426-3745 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-426-3745 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-426-3745. Primary manufacturer part number: NI-171.
Features
  • Welding Powder,metallic Overlay — FSC 3439
  • Content Within Each Unit Package: 5LB 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 3439-01-426-3745, 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 (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-426-3745
Primary Part NumberNI-171
Item NameWelding Powder,metallic Overlay
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerPraxair Surface Technologies, Inc. Dba Praxair
StatusACTIVE
Content Within Each Unit Package5LB LBS
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
NI-171 PRIMARY Praxair Surface Technologies, Inc. Dba Praxair (USA)
POWCVC Dla Aviation Engineering Div Department of Defense (USA)
Related Parts in Metalworking Machinery (continued)
3439-00-001-0002
NO ITEM NAME AVAILABLE
3439-00-001-4196
NO ITEM NAME AVAILABLE
3439-00-001-4197
NO ITEM NAME AVAILABLE
3439-00-003-1195
NO ITEM NAME AVAILABLE
3439-00-003-8601
SOLDER,LEAD ALLOY
SN10WRP20.028 1LB
3439-00-003-8602
SOLDER,LEAD-TIN ALLOY
3439-00-004-0913
HOUSING,ELECTRIC SO
3439-00-004-0915
SOLDERING GUN

Frequently Asked Questions

What is NSN 3439-01-426-3745?

NSN 3439-01-426-3745 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 3439-01-426-3745?

NSN 3439-01-426-3745 has 2 cross-referenced part numbers: NI-171 (Praxair Surface Technologies, Inc. Dba Praxair), POWCVC (Dla Aviation Engineering Div Department of Defense).

What are the specifications of NI-171?

Key specifications for NI-171: Content Within Each Unit Package: 5LB LBS; Criticality Code Justification: FEAT; Special Features: UNIT PACKAGE TYPE IS CONTAINER;MATERIAL COMPOSITION-NICKEL, COBALT,CHROMIUM, ALUMINUM, AND YTTRIUM;CERTIFICATION:PRATT AND WHITNEY PWA 1365-2, PRATT AND WHITNEY CANADA CPW 387. 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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