Material: Forged high strength 4140 alloy steel Design Factor: Minimum Design Factor = 5:1, Magnetic Particle Inspected Per ASTM 1444, Hoist Rings retain the same rated load from 0 to 90 degrees from the bolt axis Range of Movement: Swivel 360, Pivot 180 Under Load Specifications: Meets Military Specification No. MIL-STD 209, Meets ANSIASME B30.26 Finish: Black Oxide Finish for corrosion resistance, * Also available in a wide range of plating e.g Cadmium, Titanium-Cadmium, Nickel, etc. Typical Applications: ADBs HEAVY DUTY Hoist Rings are specified and used in nuclear energy equipment All dimensions approximate variations do not effect use or design factor.