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National Stock Number:
3439-01-392-0031
Federal Supply Class:
3439
National Item Identification Number:
013920031
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:
| 202-NS/12.5 LB | 01FK3 | OERLIKON METCO US INC | | METCO 202NS | 01FK3 | OERLIKON METCO US INC | | POWCVC | 13873 | DLA AVIATION |
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Techincal Specification:
| CONTENT WITHIN EACH UNIT PACKAGE | 12.5 LB | | CRITICALITY CODE JUSTIFICATION | FEAT | | SPECIAL FEATURES | NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 7 CONTAINERS;ZR O 20Y O;-106+16 UM (-140 MESH +16 UM)RC 35-45 HARDNESS;TEXTURE/FINISH AS-SPRAYED 250-500,GROUND 15-40;COATING NUMBER P202-10,P202-11, AND P202-12;CERTIFICATION GE A50TF204,CLASS A,LYCOMING M3966,TYPE 1,MSRR 9507/37 AND PWA 36087;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) |
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