Top Assembly Square Drive

AP39A - Square Drive Top Assembly complete with O rings & Seals - for AP Cylinder Valves

IMPORTANT NOTE: The AP39A is NOT oxygen clean and needs to be cleaned by the diver or service technician at the time of valve assembly if intended for use with gas mixes of 40%+ oxygen content 

The components of the cylinder knob and square drive assembly are common to  all AP cylinder valves: 

• AP93 & AP93O DIN X-Flow 2 & 3 litre Cylinder Pillar Valves
• RB13, RB13A/G, RB13A & RB13O Rebreather Cylinder Pillar Valves 
• AP8D & AP8P Mini-Cylinder Valves
• AP8DM14 & AP8PM14 SMB Mini-Cylinder Valves
• AP93M18 1 & 1.5 litre Aluminium Cylinder Valve