"NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;CR O,BLOCKY CHEMICAL PRECIPITATE;-22+5 UM;DENSE,CORROSION RESISTANT COATINGS USED ON PUMP SEAL AREAS,GROUNDS,ROLLS AND WEAR RINGS.RECOMMENDED FOR RESISTANCE TO WEAR BY ABRASIVE GRAINS,HARD SURFACES,PARTICLE EROSION AND CAVIATION ALL AT TEMPREATURES BELOW 1000DEG (F).COATINGS ARE INSOLUBLE IN ACIDS,ALKALIS AND ALCOHOL"