The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-321-7945, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-321-7945 |
| Primary Part Number | METCO307NS-2 |
| 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 |
| Material | NICKEL ALLOY BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| METCO307NS-2 PRIMARY | Oerlikon Metco Us Inc (USA) |
| Reference | Meaning |
|---|---|
| METCO307NS-2 | 5/9 Secondary reference Metco Inc Sub of the Perkin-Elmer Corp |
NSN 3439-01-321-7945 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 3439-01-321-7945 has 1 manufacturer part number on file: METCO307NS-2 (Oerlikon Metco Us Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3439-01-380-4078, 3439-01-407-7683, 3439-01-407-7687. Verify interchangeability with system specifications before substitution.
Key specifications for METCO307NS-2: Material: NICKEL ALLOY BASIC. 1 specification is 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.