The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3971, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-3971 |
| 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 | 12.5LBS 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 |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| METCO 204NS-G | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
NSN 3439-01-478-3971 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): 3439-01-478-3989, 3439-01-478-4034. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-3971: Content Within Each Unit Package: 12.5LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 7 CONTAINERS;ZR O 8Y O,SPHEROIDAL,HOSP;-106+11 UM (-140 MESH +11 UM);CERTIFICATION GE A50TF278,CLASS C AND GE A50A557; 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.