PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

421NS-2Welding Powder,metallic Overlay

Oerlikon Metco Us Inc · NSN 3439-01-380-4127 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-380-4127 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-380-4127. Primary manufacturer part number: 421NS-2.
Features
  • Welding Powder,metallic Overlay — FSC 3439
  • Environmental Protection: ABRASION RESISTANT AND CORROSION RESISTANT
  • Criticality Code Justification: FEAT
  • Content Within Each Unit Package: 2.5 LB LBS
  • 1 verified cross-reference
  • Primary manufacturer: Oerlikon Metco Us Inc
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 3439-01-380-4127, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Oerlikon Metco Us Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-380-4127
Primary Part Number421NS-2
Item NameWelding Powder,metallic Overlay
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerOerlikon Metco Us Inc
StatusACTIVE
Environmental ProtectionABRASION RESISTANT AND CORROSION RESISTANT
Criticality Code JustificationFEAT
Content Within Each Unit Package2.5 LB LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
421NS-2 PRIMARY Oerlikon Metco Us Inc (USA)
Related Parts in Metalworking Machinery (continued)
3439-00-001-0002
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3439-00-001-4196
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3439-00-001-4197
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3439-00-003-1195
NO ITEM NAME AVAILABLE
3439-00-003-8601
SOLDER,LEAD ALLOY
SN10WRP20.028 1LB
3439-00-003-8602
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3439-00-004-0913
HOUSING,ELECTRIC SO
3439-00-004-0915
SOLDERING GUN

Frequently Asked Questions

What is NSN 3439-01-380-4127?

NSN 3439-01-380-4127 is a Welding Powder,metallic Overlay, manufactured by Oerlikon Metco Us Inc, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-380-4127?

NSN 3439-01-380-4127 has 1 cross-referenced part number: 421NS-2 (Oerlikon Metco Us Inc).

What are the specifications of 421NS-2?

Key specifications for 421NS-2: Environmental Protection: ABRASION RESISTANT AND CORROSION RESISTANT; Criticality Code Justification: FEAT; Special Features: COMPOSITION: MAGNESIUM ZIRCONATE AND NICKEL ALUMINUM; USED IN GRADED COATING SYSTEMS FOR THERMAL BARRIERS WITH HIGH RESISTANCE TO THERMAL SHOCK; THE GRADED COATING SYSTEMS ARE BEING APPLIED ON THE COMBUSTION CHAMBERS (BURNER CANS) OF JET ENGINES; SHOULD BE SPRAYED WITH METCO PLASMA FLAME SPRAY EQUIPMENT; UNIT PACKAGE TYPE IS A CONTAINER; CERTIFICATION: PWA1341C; RR9507/25 ISS 2; Content Within Each Unit Package: 2.5 LB LBS. 4 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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