"NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 19 CONTAINERS;(WC 12CO) 25 (NI BASE SUPERALLOY),BLEND;-45+11 UM (-325 MESH +11 UM);CERTIFICATION MIL-STD-1687;IDEAL FOR HARD CHROME REPLACEMENT.EXCELLENT CORROSION RESISTANCE AND EASY MACHINABILITY.COATINGS RESIST ABRASION,FRETTING AND FATIGUE CRACKING"