338xISO63-CR 
ISO63 to 3.38" OD Conflat Flange 
Flange to Flange 
Conflat to ISO High Vacuum Adapter 
 Conical Reducing Nipple 
• A: 2.85" 
• 304 Stainless 
 ISO63 (ISO-K) Series 
• High Vacuum Flange OD: Ø3.74" 
• Tube OD: 2.50" 
• ISO-K Claw Clamp Style 
 ISO63 High Vacuum Flange Equivalents: 
ISO-63, LF63, NW63, NW-63, Large Flange, MF 
 3.38" OD Conflat Flange (CF): 
• 2.00" Tube OD 
• 8 Clearance (Thru) Holes 
• 0.332" Bolt Hole Diameter 
• Non-Rotatable 
 3-3/8" OD Conflat Flange (CF) Equivalents: 
• 338CF, CF338, DN50CF, NW50CF, 3.375" CFF 
 Compare to: ISO63x338-CR-VE P104051 5000712 338XLF63-CR ANC-338-ISO-63-OF 338xISO63-CR-VE