275-CUBE 
6 WAY CONFLAT UHV CUBE 
2-3/4" OD CF Conflat Flange Series 
• A: 1.38" 
• Porting is 1.50" 
• Former PN: 275-CU 
 6-Way Cube for Ultra High Vacuum 
UHV Applications 
2.75" OD Conflat Flange (CF) Series 
• 6 Tapped Bolt Holes 
• 1/4-28 Thread 
• Uses 275-BT Tapped Bolt Kit
 2.75" OD CF Conflat Flange (CFF) Equivalents 
275CF, CF35, CF38, CF40, CF275 
DN35CF, DN40CF, NW35CF, Del Seal 
 CF Conflat Flange Series Cubes 
Six Way UHV Cube 
• One Piece Machined, No Welds 
• Tapped Holes, US Threads 
• 304L Stainless, OD Polish 
 UHV, Vacuum Rated: 
• 1x10-13 Torr 
 Helium Leak Tested To: 
• <1x10-9 cc/second 
Temperature Range: 
• -200°C up to 450°C 
 275-CUBE-OS Compare to: CU6-0275 CU150-6 408001 6C-150-CU 5000580 275-CU CF-6CU-275T P104786 CF275-CU-1.38 six way cross