The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3885, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-3885 |
| 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 | COBALT ALLOY AND NICKEL ALLOY AND MOLYBDENUM BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| METCO 18C | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
NSN 3439-01-478-3885 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): 3439-01-478-3886. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-3885: 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;CO 27NI 18CR 6MO 3.5SI 3B 2.5FE 0.2C,SPHEROIDAL,GAS ATOMIZED;-125 +53 UM (-120 +270 MESH);RC 50 HARDNESS;CERTIFICATION MSRR 9507/39 AND SMUK DTD900-4950;TEXTURE/FINISH GROUND VERY GOOD TO EXCELLENT;COATING NUMBER T18C-10;HIGH COBALT HARDFACING ALLOY.PRODUCES DENSE,ESSENTIALLY PORE-FREE COATINGS RESISTANT TO WEAR BY ABRASIVE GRAINS,HARD SURFACES,FRETTING CAVITATION AND PARTICLE EROSION.USED OVER SUBSTRATES OF 400 SERIES STAINLESS STEEL OR OTHER LOW-SHRINK MATERIALS.HIGH HOT HARDNESS; Material: COBALT ALLOY AND NICKEL ALLOY AND MOLYBDENUM BASIC. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.