2" SAE J514 Sapphire Bonded into 316 Stainless Housing, IP - 4000PSI MAX

Rayotek’s 316 stainless steel/sapphire bonded SAE J514 Sight Windows are rugged, optical grade Sight Windows. Using proprietary adhesive bonding systems, Rayotek seals C-axis sapphire windows into stainless steel housings for a clean, high strength, scratch resistant Sight Window. Our sapphire Sight Glasses are designed for industrial to high tech applications such as laser measuring, spectroscopy, petroleum exploration and particle analysis.