"NSN IS USED TO PURCHASE A MINIMUM OF 60 CONTAINERS AND UP;WC/WC 12CO FUSED;-125+45 UM (-120+325 MESH);CERTIFICATION ALLIED SIGNAL EMS 52432 CLASS IX,EMS 57745 REV A,TYPE 1,CLASS A,GRADE A,CPW 42 AND PWA 1302;RESISTANT TO ABRASION AND CORROSION.GOOD SLIDING WEAR RESISTANCE.DO NOT USE ABOVE 930DEG (F) OR IN CORROSIVE MEDIA.COATINGS ARE HAED AND DENSE WITH GOOD BOND STRENGTHS.GOOD FRETTING RESISTANCE.USED FOR MACHINE PARTS,PUMP HOUSINGS ETC"