The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-407-7678, 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2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-407-7678 |
| 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 LBS. LBS |
| Material | ALUMINUM AND NICKEL ALLOY 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 |
|---|---|
| 301-NS | 5/9 Secondary reference Oerlikon Metco Us Inc |
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| METCO 301NS | 3/1 Design control — primary reference Oerlikon Metco Us Inc |
NSN 3439-01-407-7678 is a Welding Powder,metallic Overlay, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6210-01-592-2378. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-407-7678: Content Within Each Unit Package: 5 LBS. LBS; Special Features: NSN IS UDED PURCHASE A MINIMUM OF 60 CONTAINERS AND UP;NI 14CR 8FE 5.5BN 3.5AL,CLAD;-125+45 UM (-120+325 MESH);R15W +10 +/-10,R15Y:45 +/-5 TO 58;TEXTURE/FINISH AS-SPRAYED 1000-1300,MACHINED 600-900;COATING NUMBERS T301-10,T301-11 AND T301C-13;CERTIFICATION ALLIED SIGNAL FP5045 TYPE XX,ALLISON EMS 56730,LYCOMING M3970,PWA 1342,SNECMA DMR 33.085 AND VOLVO PM 819-66;BLEND OF BORON NITRIDE ALUMINUM AND NICKEL-CHROMIUM ALLOY.HIGH QUALITY ABRADABLE COATINGS FOR USE IN THE COMPRESSOR SECTION OF JET ENGINES.OPERATING TEMPREATURE UP TO 900DEG (F).SELF-LUBRICATING,CAN BE USED FOR FRICTION REDUCING BEARINGS; Material: ALUMINUM AND NICKEL ALLOY 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.