The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-477-7579, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-477-7579 |
| 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 | ALUMINUM ALLOY BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| PAC901 | 3/1 Design control — primary reference Powder Alloy Corp |
NSN 3439-01-477-7579 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): 3439-01-477-7595, 3439-01-477-7615, 3439-01-477-7616. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-477-7579: 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 1335,GE B50TF92 AND AVCO M 3962A;RH 85-95 HARDNESS;2000 PSI MINIMUM STRENGTH;BEST FINISHES WITH A CARBIDE TOOL;POWDER OF ALUMINUM ALLOYED W/12% SILICON.PRODUCES COATINGS WHICH ARE HARDER AND SLIGHTLY DENSER BUT SOMEWHAT LESS CORROSION-RESISTANT THAN PAC19 OR 19NS.USEFUL FOR REPAIR OF WORN OR MISMATCHED ALUMINUM OR MAGNESIUM SUBSTRATES A; Material: ALUMINUM ALLOY 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.