The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-477-8403, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-477-8403 |
| 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 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 |
| PAC1440 | 3/1 Design control — primary reference Powder Alloy Corp |
NSN 3439-01-477-8403 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3439-01-477-8406, 3439-01-477-8407, 3439-01-477-8411. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-477-8403: Content Within Each Unit Package: 12.5LBS LBS; Special Features: NSN USED TO PURCHASE A MINIMUM OF 8 CONTAINRS TO A MAXIMUM OF 15CONTAINERS;CERTIFICATION AMS 4775 AND AWS BNI-1;BASIC PRIMARY NICKEL-CHROMIUM-SILICON-BORON BRAZING FILLER MATERIAL WIDELY USED FOR HEAT RESISTANT, HIGH STRENGTH JOINTS. USED EXTENSIVELY IN JET ENGINE APPLICATIONS FOR JOINING TURBINE COMPONENTS, HIGHLY STRESSED SHEET MTAL PARTS AND OTHER HIGHLY STRESSED STRUCTURES. BRAZING RANGE 1970-2200DEG (F), SOLIDUS 1790DEG (F) AND LIQUIDUS 1970DEG (F); Material: NICKEL 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.