Chemglass, CG-462-02, Stopcock, Straight Bore, Glass Plug, High Vacuum, 4mm Bore, 17/40 Plug Size, 10mm OD Sidearms
This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip. The spring keeps constant tension on the plug at all times and is easily removed and attached. Plug is precision ground and hand-lapped with corresponding numbers on the barrel and plug. Each stopcock is supplied complete with a stainless steel spring and clip.
