The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3100, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-3100 |
| 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 | ALUMINUM BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| METCO 105NS | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-3100 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): 3439-01-478-3103. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-3100: Content Within Each Unit Package: 5.0LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;98 AL O,ANGULAR/BLOCKY,FUSED AND CRUSHED;-45 +15 UM (-325 MESH+ 15 UM)CERTIFICATION ALLISON EMS 56758,CPW 210, MSRR 9507/9,PWA 1310 AND SNECMA DMR 33.080;DENSE COATING WHICH RESISTS WEAR BY FIBERS AND THREADS AND ALSO RESIST EROSION IN HIGH TEMPREATURES OF 1550-3000DEG (F); Material: ALUMINUM 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.