OR 001 A O-Ring Ref : OR 001 A Material: Alloy Steel Finish: Galvanized with Yellow/Silver Passivation Net weight: 60 gms± 5 gms (0.132 lbs) Process: Stamped Minimum Breaking Strength: 23 kN (5000 lbs) (when tested as per ANSI Z 359.12-2009)