This product is only available on www.mks.com
Viton O-Ring, NW16 Size ISO-KF Vacuum Flange, 2-314 O-Ring Size
The 100314001 Viton O-Ring is designed for use with size NW16 ISO-KF centering ring assemblies. This 2-314 size O-ring is made of black Viton compound V747-75 and is rated for up to 150 deg. C bakeout temperature. This Series 31 accessory offers enhanced chemical resistance and lasts longer than similar Buna-N O-rings and can be used as a spare or replacement O-ring.