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National Stock Number:
3439-01-478-3938
Federal Supply Class:
3439
National Item Identification Number:
014783938
Description:
WELDING POWDER,METALLIC OVERLAY
Detail:
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.
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Manufacturer Information:
| METCO 202NS | 01FK3 | OERLIKON METCO US INC | | POWCVC | 13873 | DLA AVIATION |
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Techincal Specification:
| CONTENT WITHIN EACH UNIT PACKAGE | 5.0LBS | | MATERIAL | ZIRCONIUM SILICATE BASIC | | SPECIAL FEATURES | NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 19 CONTAINERS;ZR O 20Y O,SPHEROIDAL,SPRAY DRIED;-106 +16 UM (-140 MESH +16 UM);CERTIFICATION GE A50TF204 CLASS A,LYCOMING M3966 TYPE 1,MSRR 9507/37 AND PWA 36087;RC 35-45 HARDNESS;TEXTURE/FINISH AS-SPRAYED 250-500,GROUND 15-40;COATING NUMBERS P202-10,P202-11 AND P202-12;ZIRCONIUM OXIDE-YTTRIUM OXIDE COMPOSITE.PRODUCES HARD,DENSE COATINGS WITH GOOD CHEMICAL STABILITY AND THERMAL STABILITY UP TO 3000DEG (F).COATINGS RESIST THERMAL SHOCK AND PARTICLE EROSION IN HIGH TEMPREATURES.COATINGS ARE RECOMMENDED AS A THERMAL BARRIER IN ROCKET AND JET ENGINES AND FOR RESISTANCE TO EROSION IN TEMPREATURES ABOVE 1550DEG (F).CERTIFABLE TO SPEC PWA36087, GE A50TF204 CLASS A,AVCO 3966 TYPOL,MSRR 9507/37,GARRETT TURBINE EMS 52432 CLASS XXII, AND PWA (CANADA) CPW 388 |
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