The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-407-6906, 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2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-407-6906 |
| 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 | 12.5 LBS. LBS |
| Material | ZIRCONIUM SILICATE BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| METCO 203NS | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| 203-NS | 5/9 Secondary reference Oerlikon Metco Us Inc |
NSN 3439-01-407-6906 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3439-01-407-6912. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-407-6906: Content Within Each Unit Package: 12.5 LBS. LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 8 CONTAINRS TO A MAXIMUM OF 23CONTAINERS;ZR O 8Y O;-125+16 UM (-120 MESH +16 UM);CERTIFICATION PWA 36364 AND EMS52432C1.XXX;PARTIALLY STABILIZED ZIRCONIUM OXIDE-YTTRIUM OXIDE COMPOSITE POWDER.PRODUCES HARD COATINGS W/GOOD CHEMICAL AND THERMAL STABILITY FOR SERVICE TEMPREATURES UP TO 3000DEG (F).COATINGS ARE RECOMMENDED AS THERMAL BARRIERS AND TO RESIST THERMAL SHOCK AND PARTICLE EROSION IN JET ENGINES; Material: ZIRCONIUM SILICATE BASIC. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.