"NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;AL 99%,SPHEROIDAL,GAS ATOMIZED;-75+45 UM (-200 +325 MESH);TEXTURE/FINISH AS-SPRAYED FINE,MACHINED FAIR;RH 25-50 HARDNESS;COATING NUMBERS P54-10 AND T54-10;CERTIFICATION PWA 1320,GE SPEC B50TF57 CLASS A;ESSENTIALLY PUREALUMINUM.PRODUCES COATINGS EQUIVALENT TO THOSE PRODUCED BY METCO ALUMINUM.RELATIVELY SOFT AND DUCTILE,CAN BE USED TO REPAIR ALUMINUM AND MAGNESIUM BASE ALLOY PARTS.NON-MAGNETIC,CAN BE USED FOR ELECTROMAGNETIC SHIELDING"