The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-7440, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3439-01-478-7440 |
| 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 | 5.0LBS LBS |
| Material | TUNGSTEN CARBIDE AND COBALT BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| METCO 439NS-2 | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-7440 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
Key specifications for 3439-01-478-7440: Content Within Each Unit Package: 5.0LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 60 CONTAINERS AND UP;WC 12CO SELF-FUSING NICKEL ALLOY BLEND;RC 41-50 HARDNESS;-90+15 UM (-170 MESH +15 UM);CERTIFICATION PWA 1322,GE B50TF30, EMS 52432 CLASS II;SPECIAL BLEND OF 50% TUNGSTEN CARBIDE 12% COBALT AGGREGATE,SELF-FLUXING ALLOY AND NICKEL-ALUMINIDE.PRODUCES THIN,DENSE,SELF-FUSING COATINGS THAT ARERESISTANT TO WEAR HEAT AND THERMAL SHOCK.SELF-BONDING TO MANY MATERIALS.HIGH BOND STRENGTH.HIGH INTERNAL TENSILE STRENGTH AND HIGH HOT HARDNESS; Material: TUNGSTEN CARBIDE AND COBALT 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.