"NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 19 CONTAINERS;WC/WC 12CO FUSED;-45+5 UM (-325 MESH +5 UM);CERTIFICATION AMS 7879,MSRR 9507/41 AND PWA 1379-2;RESISTANT TO ABRASION AND EROSION.GOOD SLIDING WEAR RESISTANCE.DO NOT USE ABOVE 930DEG (F) OR IN CORROSIVE MEDIA.COATINGS ARE HARD AND DENSE W/GOOD BOND STRENGTHS.GOOD FRETTING RESISTANCE.USED FOR MACHINE PARTS AND PUMP HOUSING"