Astm a615 grade 60 or a996 grade 50, bar designator no. 4
Classification: Concrete reinforcing bars and rods, iron or nonalloy steel, not further worked than hot-rolled or hot-drawn, including those twisted after rolling
NSN 6105-01-049-7177
NSN 6650-00-550-6111
NSN 5835-01-362-0305
NSN 5905-01-634-0595
NSN 6320-01-411-6610
NSN 6650-00-259-2605
NSN 5985-01-308-0547
NSN 5990-01-083-2430
NSN 5990-00-736-8778
NSN 5930-00-175-8814
NSN 5998-01-416-5699
NSN 5998-01-188-6905