"NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;FE 38NI 10AL,CLAD;-125+45 UM (-120 MESH +325 MESH);RB 80 +5 HARDNESS;TEXTURE/FINISH AS-SPRAYED 400-800,MACHINED 20-40;COATING NUMBERS P542-10 AND T452-10;SELF-BONDING NICKEL-IRON ALUMINUM COMPOSITE.PRODUCES COATINGS WHICH NOT ONLY HAVE THE EXCELLENT SELF-BONDING PROPERTIES OF METCO 450 BUT ALSO PROVIDE A SIGNIFICANT IMPROVEMENT IN MACHINABILITY,WEAR AND OZIDATION RESISTANCE.COATINGS ARE DENSE AND CAN BE USED FOR OXIDATION RESISTANT APPLICATIONS UP TO 1500DEG (F).A GOOD UNDERCOAT FOR CERAMIC,NICKEL CHROMIUM AND STAINLESS STEEL TYPE COATINGS IN THIS ENVIRONMENT"