Profile: Reliable Hermetic Seals LLC. specializes in the production of custom hermetic seals. Our hermetic seals are widely used in Aerospace, Automotive, Military, Medical, Refrigeration Compressors, Oil & Gas, Marine, and Chemical industries. Our products include connector seals, custom seals, explosion proof seals, fiber optic seals, and terminal seals. We offer single mode FC terminated sealed in a JIS vacuum flange. 100% of parts are checked for quality including dimensional inspection, visual workmanship, helium leak tested, and a visual continuity test.