"NSN IS USED TO PURCHASE A MINIMUM OF 60 CONTAINERS AND UP;WC 20CO,SINTERED;-53+11 UM (-270 MESH +11 UM);RC 57 HARDNESS;TEXTURE/FINISH AS-SPRAYED 350-450,GROUND 9-11;COATING NUMBERS T76F-11 AND T76F-12;FINE GRADE OF 18% COBALT CLAD TUNGSTEN-CARBIDE COMPOSITE WHICH HAS BEEN SPECIFICALLY DESIGNED FOR SPRAYING WITH THE METCO THERMOSPRAY PROCESS.COATINGS ARE VERY DENSE AND CAN BE APPLIED UP TO 0.050IN THICK.SUITABLE FOR COMBUSTION SPRAYING"