The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-407-7838, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Oerlikon Metco Us Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-407-7838 |
| Primary Part Number | METCO 307NS |
| Item Name | Welding Powder,metallic Overlay |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Oerlikon Metco Us Inc |
| Status | ACTIVE |
| Content Within Each Unit Package | 5 LBS. LBS |
| Material | NICKEL AND GRAPHITE BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| METCO 307NS PRIMARY | Oerlikon Metco Us Inc (USA) |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
NSN 3439-01-407-7838 is a Welding Powder,metallic Overlay, manufactured by Oerlikon Metco Us Inc, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-407-7838 has 1 manufacturer part number on file: METCO 307NS (Oerlikon Metco Us Inc).
1 possible match (shared part number, not a government interchangeability claim): 3439-01-407-7839. Verify interchangeability with system specifications before substitution.
Key specifications for METCO 307NS: Content Within Each Unit Package: 5 LBS. LBS; Special Features: NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59CONTAINERS;NI 25 GRAPHITE CLAD;-90+30 UM (-170 MESH +30 UM);TEXTURE/FINISH AS-SPRAYED 1000-3000,MACHINE 500-600;COATING NUMBER T307-10;CERTIFICATION ALLIED SIGNAL FP 5045 TYPE XII,PWA 1352-1,VOLVO PM 819-41;BLEND OF 75% NICKEL AND 25% GRAPHITE.PRODUCES MACHINE ELEMENT SEAL AND CLEARANCE COATINGS FOR GAS TURBINE ENGINES.OPERATING TEMPREATURE UP TO 900DEG (F).SELF-LUBRICATING,CAN BE USED FOR FRICTION REDUCING BEARINGS; Material: NICKEL AND GRAPHITE 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.