The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3250, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-3250 |
| 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 | ALUMINA BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| METCO 105SFP | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-3250 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3439-01-478-3251, 3439-01-478-3254. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-3250: 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;99.5 AL O,ANGULAR/BLOCKY FUSED AND CRUSHED,-31 +3.9 UM;RC 65-66 HARDNESS;TEXTURE/FINISH AS SPRAYED 50-200 GROUND 15-20 BRUSHED 15-160 LAPPED 1-4;COATING NUMBERS P105SFP-10, P105SFP-12, P105SFP-13 AND P105SFP-15;HAS HIGHEST DIELECTRIC STRENGTH OF ALL ALUMINUM OXIDE COATINGS.EXCELLENT REFRACTORY PROPERTIES.SUPERFINE WHITE ALUMINA.PRODUCES HARDER,DENSER COATINGS HAVING GREATER LOW-TEMPREATURE WEAR RESISTANCE. GREATEST WEAR RESISTANCE OF THE OXIDE CERAMICS.EASILY FINISHED TO VARIOUS SURFACE TEXTURES AND FRICTION CHARACTERISTICS NEEDED IN THE TEXTILE INDUSTRY; Material: ALUMINA 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.