"NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 19 CONTAINERS;AL 12.5SI,SPHEROIDAL,GAS ATOMIZED;-90+45 UM (-170 +325 MESH);TEXTURE/FINISH AS-SPRAYED 600-800,MACHINED 40-60;RH 90 HARDNESS;COATING NUMBERS T52C-10 AND P52C-10;CERTIFICATION EMS 57742,EMS 56766,GE B50TF92 CLASS A,LYCOMING M 3962,MSRR 9507/60,PWA 1335,CPW 235,SNECMA DMR 33.027 AND PM 819-35;ALUMINUM-12% SILICON ALLOY.GENERAL PURPOSE MATERIAL FOR SALVAGE AND BUILD-UP OF PARTS OF ALUMINUM,MAGNESIUM OR THEIR ALLOYS.PRODUCES HARDER AND DENSER COATINGS THAN PURE ALUMINUM.GOOD MACHINE FINISH"