rjayb Posted May 3, 2015 Report Share Posted May 3, 2015 Have to place an order at work with my o-ring supplier this week. Anyone know the exact sizes of FKM O-rings for Keith's head. My best guess is 045 for the outers, 039 for the domes, and the small ones around the plugs 026. Thanks for the help Quote Link to comment Share on other sites More sharing options...
camatv Posted May 4, 2015 Report Share Posted May 4, 2015 if you stock o-rings do you have one of those cone thingy's/ the ones around the domes must be viton also. Quote Link to comment Share on other sites More sharing options...
n2otoofast4u Posted May 4, 2015 Report Share Posted May 4, 2015 They just gotta be close. You can stretch/push to make them fit. BUT, with a pair of calipers and a measuring cone (dont know legit name) you should be able to get what you need. Quote Link to comment Share on other sites More sharing options...
rjayb Posted May 4, 2015 Author Report Share Posted May 4, 2015 We don't buy a lot of o rings, just a few sizes for certain valves we sell. About once a year we have a big enough order for prepaid shipping at Parker. Thought someone might know the part numbers. 10-4 on FKM all around. Quote Link to comment Share on other sites More sharing options...
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