"NSN USED TO PURCHASE A MINIMUM OF 3 CONTAINRS TO A MAXIMUM OF 7 CONTAINERS;CERTIFICATION PWA 1309, GE B50TF28, AND RR 9507/34;RC 45-50 HARDNESS;3000 PSI MINIMUM STRENGTH;BE FINISHED BY WET GRINDING;SELF-FUSING BLENDED POWDER WHICH PRODUCES HARD, DENSE, HIGH TEMPERATURE AND WEAR RESISTANT COATINGS.MATERIAL IS SPECIAL MIXTURE OF PAC 60, 124, AND 900 POWDERS FOR YIELDING COATINGS THAT ARE THIN, SMOOTH AND HARD"