Model: PAC138
Metallic Overlay Welding PowderSpecial Features:
Nsn used to purchase a of 3 containrs to a of 7 containers; certification pwa 1352-1; nickel-graphite composite coatings depend upon application techniques and intended use; readily finished with high speed steel or carbide tools; material normally sprayed utilizing oxy-acetylene equipment; composite powder of graphite 25% clad with 75% pure nickel shell; produces clearance control coatings suitable for use in compressor sections of aircraft jet engines.Useful to 900deg (f).More abradable but less erosion resistant than pac140
Properties:
A metallic powder used for coating metallic or nonmetallic surfaces by the welding process, to produce a surface resistant to abrasion and/or corrosion. It may be applied with an oxy-acetylene torch, furnace, or with a spray weld gun.
Part PAC138 NSN 3439-01-477-5491
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
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Schedule B and Export
- Schedule B: 8515902000
- SITC: 73739
- End Use: Metalworking machine tools
- NAICS: 333992
- USDA: 1
Freight Class: Welding machine parts and parts of apparatus
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