The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3350, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-3350 |
| 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 | 5.0LBS LBS |
| Material | ALUMINUM AND TITANIUM BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| METCO 130SF | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
NSN 3439-01-478-3350 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3439-01-478-3352, 3439-01-478-3355. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-3350: Content Within Each Unit Package: 5.0LBS LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 19 CONTAINERS;AL O 13TI O,CLAD;-30 +5 UM;RC 70 HARDNESS;TEXTURE/FINISH AS SPRAYED 120-180 BRUSHED OR TUMBLED 60-80,GROUND 10-20,LAPPED 1-3;COATING NUMBERS P130SF-10 AND P130SF-11;SUPERFINE ALUMINUM OXIDE-TITANIUM DIOXIDE COMPOSITE.COATINGS ARE HARDER,DENSER AND SMOOTHER AS-SPRAYED THAN COATINGS OF METCO 130.COATINGS ARE HEAT-RESISTANT UP TO ABOUT 1000DEG (F), AND RESIST MOST ACIDS AND ALKALIES.ESPECIALLY RECOMMENDED FOR PRINTING INK TRANSFER ROLLS AND TEXTILE PARTS CONTACTING FIBERS AND THREADS.HAS HIGH DIELECTRIC STRENGTH OF 300VOLTS/MIL (1180 VOLTS/0.1MM), IN COATINGS 0.003-0.004 INCH (0.07-0.1MM) THICK.HIGHER INSULATING VALUES OBTAINED FROM THICKER OR SEALED COATINGS.1020DEG (F) MAX SERVICE TEMPREATURE MM; Material: ALUMINUM AND TITANIUM BASIC. 2 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.