"NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;CR O 2TI O;ANGULAR/BLOCKY FUSED AND CRUSHED;-125 +11 UM;RC 65-70HARDNESS;TEXTURE/FINISH AS SPRAYED 250-550,GROUND 15-35,LAPPED 2.5-8;COATING NUMBERS P106-10 AND P106-14;ESSENTIALLY PURE CHROMIUM OXIDE.PRODUCES HARD,DENSE COATINGS W/LOW TEMPREATURE WEAR RESISTANCE TO ABRASIVE GRAINS, HARD SURFACES, FIBERS AND THREADS, PARTICLE EROSION AND CAVITATION.DENSE CORROSION RESISTANT COATINGS USED ON PUMP SEAL AREAS, GROUNDS, ROLLS AND WEAR RINGS.COATINGS ARE INSOLUBLE IN ACIDS, ALKALIS AND ALCOHOL"