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 5945-01-258-5042
NSN 5990-01-056-6413
NSN 6240-01-301-2243
NSN 6685-00-707-4842
NSN 5985-00-909-3902
NSN 6685-01-256-6443
NSN 5990-01-412-9020
NSN 5935-01-374-5515
NSN 5965-00-217-2476
NSN 5985-01-440-6214
NSN 5975-01-653-8139
NSN 6650-01-227-4976