The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-407-7030, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Oerlikon Metco Us Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-407-7030 |
| Primary Part Number | METCO 202NS-12.5LB |
| Item Name | Welding Powder,metallic Overlay |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Oerlikon Metco Us Inc |
| Status | ACTIVE |
| Content Within Each Unit Package | 12.5 LBS. LBS |
| Material | ZIRCONIUM SILICATE BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| METCO 202NS-12.5LB PRIMARY | Oerlikon Metco Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 202-NS | 5/9 Secondary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| METCO 202NS | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
NSN 3439-01-407-7030 is a Welding Powder,metallic Overlay, manufactured by Oerlikon Metco Us Inc, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-407-7030 has 1 manufacturer part number on file: METCO 202NS-12.5LB (Oerlikon Metco Us Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3439-01-478-3938, 3439-01-478-3940, 3439-01-478-3944. Verify interchangeability with system specifications before substitution.
Key specifications for METCO 202NS-12.5LB: Content Within Each Unit Package: 12.5 LBS. LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 24 CONTAINERS AND UP;ZR O 20Y O;-106+16 UM (-140 MESH +16 UM)RC 35-45 HARDNESS;TEXTURE/FINISH AS-SPRAYED 250-500,GROUND 15-40;COATING NUMBER P202-10,P202-11, AND P202-12;CERTIFICATION GE A50TF204,CLASS A,LYCOMING M3966,TYPE 1,MSRR 9507/37 AND PWA 36087;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); Material: 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.