Hermetic connector features include: affordable price, reasonable delivery, leakage rate of < 5 x 10-9 mbar.l/s @ vacuum of 1.5 x 10-2 mbar, standard density and high density D-subminiature feed-throughs intermateable with IEC 60807-2, IEC 60807-3 and M24308 D-subminiature connectors, combination D-subminiature feed-throughs with signal, power, shielded, high voltage, and thermocouple contact options, and circular connector feed-throughs. Hermetic connectors can be pre-assembled onto plates/flanges per customer specifications.