The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-4078, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-4078 |
| 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 | MAGNESIUM ALLOY 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 210NS-1 | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-4078 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): 3439-01-478-4079. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-4078: Content Within Each Unit Package: 5.0LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 19 CONTAINERS;ZR O 24MG O,SPHEROIDAL.HOSP;-90 +11 UM (-170 +11 UM);CERTIFICATION MSRR 9507/21 AND PWA 1333;MAGNESIUM ZIRCONATE.PRODUCES COATINGS HAVING HIGH TEMPRERATURE RESISTANCE TO WEAR BY PARTICLE EROSION,THERMAL SHOCK,CORROSION FROM MOLTEN METALS AND THERMAL STRESS.POWDER PARTICLES ARE FREE FLOWING AND SPHERICAL SHAPED.APPLICATIONS INCLUDE DIESEL ENGINE PISTONS,VALVES,CYLINDER HEADS AND COATINGS FOR CASTING MOLDS AND TROUGHS.ABRASIVE WEAR RESISTANT UP TO APPROXIMATELY 1650DEG (F).COATINGS RESIST WETTING AND CORROSIVE EFFECTS OF MOLTEN METAL; Material: MAGNESIUM ALLOY 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.