The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-478-7802, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-478-7802 |
| 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 | IRON AND ALUMINUM AND NICKEL AND MOLYBDENUM 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 |
| METCO 453 | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
NSN 3439-01-478-7802 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): 3439-01-478-7806, 3439-01-478-7810. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-478-7802: 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;FE 35NI 5AL 5MO,CLAD;-125+45 UM (-120+325 MESH);RB 65-75 HARDNESS;TEXTURE/FINISH AS-SPRAYED 400-700,GROUND 15-30;COATING NUMBERS T453-10,T453-11,P453-10,P453-11 AND P453-13;SELF-BONDING IRON NICKEL ALUMINUM MOLYBDENUM COMPOSITE POWDER.PRODUCES A TOUCH GRINDABLE COATING WITH EXCELLENT OXIDATION AND PARTICLE EROSION RESISTANCE TO 1500DEG (F).COATINGS EXHIBIT ENHANCED HIGH TEMPREATURE SCUFF RESISTANCE AND CAN ALSO BE MACHINED TO A FINE FINISH.RECOMMENDED FOR SALVAGE AND REPAIR OF COMPONENTS SUCH AS DIESEL FIRDECKS AND CYLINDER HEADS; Material: IRON AND ALUMINUM AND NICKEL AND MOLYBDENUM 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.