"The item is made of AL alloy QQ-A-268, with a temperature rating of T351. It measures 0.130 inches in width, 1.38 inches in outer diameter, and 1.252 inches in inner diameter. The item features two 2-56 UNC-2B holes and an anodic-chromic acid finish per MIL-A-8625."
AGAV
End Item Identification
"The optical sight system is identified as AN/ASG-30, with a lead computing function."