The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-477-7679, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-477-7679 |
| 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 | NICKEL BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| PAC906 | 3/1 Design control — primary reference Powder Alloy Corp |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-477-7679 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 3439-01-477-7801, 3439-01-477-7803, 3439-01-477-7806. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-477-7679: Content Within Each Unit Package: 12.5LBS LBS; Special Features: NSN USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 2 CONTAINERS;CERTIFICATION PWA 1337,GE B50TF56,RR 9507/5 AND AVCO M 3951 B;RB 60-80 HARDNESS;3000 PSI MINIMUM STRENGTH ON SMOOTH SURFACE AND 5000 PSI MINIMUM STRENGTH ON ROUGHENED SURFACE;COARSE AS SPRAYED GRIND FINISH EXCELLENT;ALUMINUM CLAD NICKEL COMPOSITE POWDERTHAT REACTS EXOTHERMICALLY DURING SPRAYING TO SELF-BOND ONTO CLEAN, SMOOTH METALLIC SURFACE.YIELDS DENSE, TIGHTLY ADHERENT, OXIDATION RESISTANT COATINGS OF HIGH STRUCTURAL INTEGRITY.RESISTANT TO TEMPREATURES AS HIGH AS 2100DEG (F); Material: NICKEL BASIC. 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.