The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-3834, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-3834 |
| 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 | 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 |
|---|---|
| METCO 16C | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-478-3834 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): 3439-01-478-3836, 3439-01-478-3843. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-3834: 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;NI 16CR 4SI 4B 3CU 3MO 2.5FE 0.5C,SPHEROIDAL,GAS ATOMIZED;-125 +45 UM (-120 +325 MESH);CERTIFICATION ALLIED SIGNAL FP 5045 TYPE III, P/N 3181458, MSRR 9507/7;RC 60 HARDNESS;TEXTURE/FINISH AS SPRAYED 800-1000,AS FUSED 200-300,GROUND LESS THAN 10,LAPPED 2-3;COATING NUMBER T16C-10;NICKEL-CHROMIUM-BORON HARDFACING ALLOY.PRODUCES HARD,DENSE,ESSENTIALLY PORE-FREE COATINGS THAT RESIST CORROSION AND WEAR BY ABRASIVE GRAINS,HARD SURFACES,PARTICLE EROSION,FRETTING AND CAVITATION AND PERMIT FUSING OF COATINGS 0.125 THICK OR MORE WITHOUT DIFFICULTY.MOST RESISTANT TO CORROSION OF ALL SELF-FLUXING ALLOYS.CERTIFABLE TO US NAVY SPEC OS 12358, MPR 1031 AND MPR 1032; 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.