"NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;NI 10CR 2.5B 2.5FE 2.5SI 0.15C,SPHEROIDAL,GAS ATOMIZED;-125 +45 UM (-120 +325 MESH)RC 30-35 HARDNESS;TEXTURE/FINISH AS SPRAYED MEDIUM MACHINE V/GOOD GROUND EXCELLENT;COATING NUMBER T12C-10;NICKEL-CHROMIUM-BORON HARDFACING ALLOY.PRODUCES ESSENTIALLY PORE-FREE,READILY MACHINABLE COATINGS HAVING GOOD WEAR AND CORROSION RESISTANCE, AND NOT SUSCEPTIBLE TO CRACKING ON ANY TYPE OF BASE MATERIALRECOMMENDED FOR RESISTANCE TO WEAR BY ABRASIVE GRAINS,HARD SURFACES,FRETTING,CAVITATION AND EROSION AT BOTH LOW AND HIGH TEMPREATURES TO 1550DEG (F)"