The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-425-9631, 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 Praxair Surface Technologies, Inc. Dba Praxair. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-425-9631 |
| Primary Part Number | CO-111 |
| Item Name | Welding Powder,metallic Overlay |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Praxair Surface Technologies, Inc. Dba Praxair |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Content Within Each Unit Package | 10LB LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| CO-111 PRIMARY | Praxair Surface Technologies, Inc. Dba Praxair (USA) |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-425-9631 is a Welding Powder,metallic Overlay, manufactured by Praxair Surface Technologies, Inc. Dba Praxair, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-425-9631 has 1 manufacturer part number on file: CO-111 (Praxair Surface Technologies, Inc. Dba Praxair).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-652-1554. Verify interchangeability with system specifications before substitution.
Key specifications for CO-111: Criticality Code Justification: FEAT; Content Within Each Unit Package: 10LB LBS; Special Features: UNIT PACKAGE TYPE IS CONTAINER;MATERIAL COMPOSITION-T-800;CERTIFICATION: GE B50TF190CLA, ALLIED EMS 52432 XV. 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.