Kovar® to 7052 Glass to Kovar® seals are available from
1/2” to 6” OD. These can be supplied without or with
standard vacuum style flanges. Custom combinations can
Larson Electronic Glass offers "Double Ended
"Kovar-to-7052 Glass-to-Kovar" Adaptors" available in 10
standard sizes from 1/2 inch through 6 inch and are also
offered in other non-standard sizes. Dimensions are in
inches unless otherwise noted.