PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

POWCVCWelding Powder,metallic Overlay

Dla Aviation Engineering Div Department of Defense · NSN 3439-01-478-3940 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-478-3940 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-478-3940. Primary manufacturer part number: POWCVC.
Features
  • Welding Powder,metallic Overlay — FSC 3439
  • Material: ZIRCONIUM SILICATE BASIC
  • Content Within Each Unit Package: 5.0LBS LBS
  • 2 verified cross-references
  • Primary manufacturer: Dla Aviation Engineering Div Department of Defense
Applications
  • Applications requiring Zirconium Silicate Basic construction
General Description

The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3940, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Dla Aviation Engineering Div Department of Defense. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-478-3940
Primary Part NumberPOWCVC
Item NameWelding Powder,metallic Overlay
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerDla Aviation Engineering Div Department of Defense
StatusACTIVE
MaterialZIRCONIUM SILICATE BASIC
Content Within Each Unit Package5.0LBS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3439-01-392-0031 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-407-7025 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-407-7030METCO 202NS-12.5LB INTERCHANGEABLE
Welding Powder,metallic Overlay
Oerlikon Metco Us Inc
3439-01-478-3938 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-478-3944 INTERCHANGEABLE
Welding Powder,metallic Overlay
Cross-Reference Index
Part NumberManufacturer
POWCVC Dla Aviation Engineering Div Department of Defense (USA)
METCO 202NS Oerlikon Metco Us Inc (USA)
Related Parts
3439-01-392-0031INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-407-7025INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-407-7030INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
METCO 202NS-12.5LB
3439-01-478-3938INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-478-3944INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY

Frequently Asked Questions

What is NSN 3439-01-478-3940?

NSN 3439-01-478-3940 is a Welding Powder,metallic Overlay, manufactured by Dla Aviation Engineering Div Department of Defense, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-478-3940?

NSN 3439-01-478-3940 has 2 cross-referenced part numbers: POWCVC (Dla Aviation Engineering Div Department of Defense), METCO 202NS (Oerlikon Metco Us Inc).

What NSN replaces 3439-01-478-3940?

There are 5 known substitutes for 3439-01-478-3940: 3439-01-392-0031, 3439-01-407-7025, 3439-01-407-7030 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of POWCVC?

Key specifications for POWCVC: Material: ZIRCONIUM SILICATE BASIC; Content Within Each Unit Package: 5.0LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;ZR O 20Y O,SPHEROIDAL,SPRAY DRIED;-106 +16 UM (-140 MESH +16 UM);CERTIFICATION GE A50TF204 CLASS A,LYCOMING M3966 TYPE 1,MSRR 9507/37 AND PWA 36087;RC 35-45 HARDNESS;TEXTURE/FINISH AS-SPRAYED 250-500,GROUND 15-40;COATING NUMBERS P202-10,P202-11 AND P202-12;ZIRCONIUM OXIDE-YTTRIUM OXIDE COMPOSITE.PRODUCES HARD,DENSE COATINGS WITH GOOD CHEMICAL STABILITY AND THERMAL STABILITY UP TO 3000DEG (F).COATINGS RESIST THERMAL SHOCK AND PARTICLE EROSION IN HIGH TEMPREATURES.COATINGS ARE RECOMMENDED AS A THERMAL BARRIER IN ROCKET AND JET ENGINES AND FOR RESISTANCE TO EROSION IN TEMPREATURES ABOVE 1550DEG (F).CERTIFABLE TO SPEC PWA36087, GE A50TF204 CLASS A,AVCO 3966 TYPOL,MSRR 9507/37,GARRETT TURBINE EMS 52432 CLASS XXII, AND PWA (CANADA) CPW 388. 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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