06.0078 - O-Ring for 37, O-Ring for Valve Assy P21/16

This part should fit the following pumps:-

• P21/5-450
• P21/7-400
• P21/16-200
• NP10/10-150
• NP10/13-150
• NP10/15-150
• NP10/1-170
• NP10/2-170
• NP10/3-170
• NP10/4-150
• NP10/7-150
• NP16/14-210
• NP16/15-210
• NP16/18-140
• NP16/21-140

6 of this item is normally used in a pump.