Astm a615 grade 40 or a616 grade 50 or a617 grade 40, bar designator no. 3
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 6650-00-122-1109
NSN 6620-01-431-0706
NSN 6685-00-064-2031
NSN 5999-00-666-3838
NSN 5930-00-028-6949
NSN 5999-01-145-9931
NSN 5945-00-042-5553
NSN 5915-01-334-4163
NSN 5855-00-436-3852
NSN 6220-00-760-9199
NSN 6130-01-554-1072
NSN 5905-01-632-7987