The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-4062, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-478-4062 |
| Item Name | Welding Powder,metallic Overlay |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Content Within Each Unit Package | 12.5LBS LBS |
| Material | CERIUM AND ZIRCONIUM SILICATE BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| METCO 205NS | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-4062 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-01-478-4062: Content Within Each Unit Package: 12.5LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 24 CONTAINERS AND UP;ZR O 25CE O 2.5Y O;-90 +16 UM (-170 MESH +16 UM);RC 30-35 HARDNESS;TEXTURE/FINISH AS-SPRAYED 350-500;CERIUM OXZIDE,YTTRIUM OXIDE STABLIZED ZIRCONIUM OXIDE POWDER.SPHERICAL FREE FLOWING AND FULLY ALLOYED POWDER PARTICLES.PRODUCES THE BEST THERMAL BARRIER COATINGS (TBC'S) IN TERMS OF LOWEST THERMAL CONDUCTIVITY AND RESISTANCE TO FATIGUE CAUSED BY THERMAL CYCLING.COATINGS ALSO EXHIBIT RESISTANCE TO HIGH TEMPREATURE DEGRADATION CAUSED BY FUEL CONTAMINANTS IN JET ENGINES.RECOMMENDED FOR PROTECTION OF CRITICAL METAL COMPONENTS FROM HEAT AND PARTICLE EROSION AT ELEVATED TEMPREATURES.IDEALLY SUITED FOR SEVERE THERMAL BARRIER APPLICATIONS AND OFFERS GREATER HIGH TEMPREATURE CORROSION RESISTANCE AGAINST SODIUM,SULFUR AND CHLORINE CONTAMINANTS COMPARED TO 8% YTTRIA ZIRCONIA COATINGS; Material: CERIUM AND ZIRCONIUM SILICATE BASIC. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.