The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-423-9100, 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 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-423-9100 |
| Item Name | Welding Powder,metallic Overlay |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Content Within Each Unit Package | 2.5 |
| Environmental Protection | ABRASION RESISTANT AND CORROSION RESISTANT |
| Material | ALUMINA AND NICKEL ALLOY BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Oerlikon Metco Us Inc |
| 410-NS | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
NSN 3439-01-423-9100 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): 3439-01-478-7300. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-423-9100: Criticality Code Justification: FEAT; Content Within Each Unit Package: 2.5; Special Features: CERMET POWDER USED AS AN ABRASIVE COATING, TO RUN AGAINST AN ABRADABLE COATING FOR MECHANICAL CLEARENCE CONTROL APPLICATIONS; SUCCESSFUL IN PRODUCING GRADED COATINGS FOR HIGH TEMPERATURE PROTECTION OF BASE MATERIALS; UNIT PACKAGE TYPE IS A CONTAINER: B50TF64-S6, CL A; DMR33081; VFAPM819-31. THIS NSN IS USED TO PURCHASE FROM 40 TO 119 CONTAINERS. TO PURCHASE A MINIMUM OF 1 TO A MAXIMUM OF 39 USE 3439-01-423-9096. TO PURCHASE 120 OR MORE USE 3439-01-380-4279; Environmental Protection: ABRASION RESISTANT AND CORROSION RESISTANT. 4 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.