"Material: Aluminum Alloy; Length: 17.21 inches; Diameter: 1.01 inches; Second end with a counter sunk hole, 0.716 inches in diameter, threaded 3/4-32 UN-2B, and 0.38 inches deep. After welding, reheat-treat to T6 temper as per MIL-H-6088. Surface treatment: All surfaces shall be dyed black according to MIL-STD-171. Part number is applied per MIL-STD-130."