ISO80-300-AR 
ISO80 Centering Ring 
NO O-Ring 
NO Aluminum Outer Ring (Spacer Ring) 
6050 T6 Aluminum 
ISO80 (ISO-B80) High Vacuum Hardware 
• A: 3.15" 
• B: 3.25" 
• C: 0.31" 
• D: 0.15" 
 Fits ISO80 Claw Clamp Series Equivalents:  
ISO-80, LF80, NW80, NW-80, Large Flange, 
 
ISO-LF, ISO-K, ISO-MF 
 ISO-B80 High Vacuum Flange Equivalents 
ISO-F, ISO-LFB, ISOB-80, ISOB80, ISO80-F 
LFB80, Bolted Large Flange