The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-7827, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-7827 |
| 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 | NICKEL ALLOY AND ALUMINUM 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 461NS | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-7827 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): 3439-01-478-7829, 3439-01-478-7834. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-7827: 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;NI 17.5CR 5.5AL 2.5CO 0.5Y O,CLAD;-150+22 UM (-100 MESH +22 UM);TEXTURE/FINISH AS-SPRAYED 500-900;RB 85-95 HARDNESS;COATING NUMBERS T461-10,T461-11,P461-10,P461-11,P461-12 AND P461-13;NICKEL CHROMIUM-ALUMINUM-COBALT-YTTRIA COMPOSITE POWDER.COATINGS PRODUCED ARE SELF-BONDING AND RESISTANT TO OXIDATION AND CORROSION AT TEMPREATURES UP TO 1800DEG )F).CAN BE USED AS A PROTECTIVE BARRIER COATING OR AS A BOND COAT FOR CERAMIC THERMAL BARRIER COATINGS APPLICATIONS.OXIDATION AND CORROSION RESISTANCE IS EQUAL TO OR SUPERIOR TO PLASMA SPRAYED NICOCRA1Y COATINGS.EXCELLENT MACHINABILITY; Material: NICKEL ALLOY AND ALUMINUM 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.