The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3955, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Oerlikon Metco Us Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-478-3955 |
| Primary Part Number | METCO 204B-NS |
| Item Name | Welding Powder,metallic Overlay |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Oerlikon Metco Us Inc |
| Status | ACTIVE |
| Content Within Each Unit Package | 5.0LBS LBS |
| Material | ZIRCONIUM SILICATE BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| METCO 204B-NS PRIMARY | Oerlikon Metco Us Inc (USA) |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-3955 is a Welding Powder,metallic Overlay, manufactured by Oerlikon Metco Us Inc, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-478-3955 has 1 manufacturer part number on file: METCO 204B-NS (Oerlikon Metco Us Inc).
Key specifications for METCO 204B-NS: Content Within Each Unit Package: 5.0LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 60 CONTAINERS AND UP;ZR O 8Y O,SPHEROIDAL,HOSP;-75 +45 UM (-200 +325 MESH);CERTIFICATION GE A50TF204 CLASS B,ALLISON EPS 10479,MSRR 9507/46,SNECMA DMR 33.098,VOLVO PM 819-55 AND WIMS 652;COARSE PARTICLE SIZE DISTRIBUTION.POWDERS ARE SPHEROIDAL WITH EXCELLENT FLOWABILITY.CHEMICAL HOMOGENEITY STRUCTURAL STABILITY AND HIGH PURITY; Material: ZIRCONIUM SILICATE 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.