"NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 19 CONTAINERS;NI 23CO 20CR 8.5AL 4TA 0.6Y,SPHEROIDAL,GAS ATOMIZED;-37 UM (-400 MESH);CERTIFICATION TURBOMECA LA 657 PF1 IND 0;CAN BE USED AS HOT CORROSION AND OXIDATION RESISTANT BOND COATS FOR THERMAL BARRIER COATINGS (TBC) OF ZIRCONIA"