The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-407-6566, 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 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-01-407-6566 |
| Primary Part Number | 1000591 |
| 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 |
| Material | ZIRCONIUM SILICATE BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1000591 PRIMARY | Oerlikon Metco Us Inc (USA) |
| METCO 204NS - 1000591 PRIMARY | Oerlikon Metco Us Inc (USA) |
| Reference | Meaning |
|---|---|
| POWCVC | 5/9 Secondary reference Dla Aviation Engineering Div Department of Defense |
| 204-NS | 5/9 Secondary reference Oerlikon Metco Us Inc |
| METCO 204NS | 5/1 Secondary reference Oerlikon Metco Us Inc |
NSN 3439-01-407-6566 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 3439-01-407-6566 has 2 manufacturer part numbers on file: 1000591 (Oerlikon Metco Us Inc), METCO 204NS - 1000591 (Oerlikon Metco Us Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3439-01-407-6955, 3439-01-478-3966, 5310-01-542-3459. Verify interchangeability with system specifications before substitution.
Key specifications for 1000591: Special Features: ZR O 8Y O;-125+11 UM (-120 MESH +11 UM);RC 30 +/-5 HARDNESS;TEXTURE/FINISH AS-SPRAYED 450-600,GROUND 10-15;COATING NUMBER P204-10;CERTIFICATIONALLIED SIGNAL EMS 57750 TYPE I,CLASS 1,GE A50TF278 CLASS B,10042376,KELLY AFB 97P1271,LYCOMING M3978/M3966 TYPE II AND PWA 1375;SPHERICAL,FREE FLOWING,PARTIALLY STABILIZED 7-8% YTTRIA ZIRCONIA POWDER.PRODUCES EXCELLENT HIGH TEMPREATURE THERMAL BARRIER COATINGS RESISTANT TO THERMAL CYCLING STRESSES AND STRAINS; Material: ZIRCONIUM SILICATE BASIC. 1 specification is 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.