"NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;98 AL O,ANGULAR/BLOCKY,FUSED AND CRUSHED;-45 +15 UM (-325 MESH+ 15 UM)CERTIFICATION ALLISON EMS 56758,CPW 210, MSRR 9507/9,PWA 1310 AND SNECMA DMR 33.080;DENSE COATING WHICH RESISTS WEAR BY FIBERS AND THREADS AND ALSO RESIST EROSION IN HIGH TEMPREATURES OF 1550-3000DEG (F)"