Distributor O-Ring Size

Lanexa Speedway · Sep 2, 2014

Dumb question, as I am not finding anything with the search button. I misplaced the new O-ring that I had that seals the base of the distributor to the engine block (134 gasser). I need to put in an order to McMaster-Carr today for some other stuff and would like to add an O-ring to that order, instead of a whole new order elsewhere for just a silly O-ring.

Anyone happen to know the size or dash number for that O-ring? I'm sure it's standard stuff.

Thanks!
Kevin

Lanexa Speedway · Sep 3, 2014

To answer my own question, and if anyone needs to look this up in the future, it's a [b:3621842898]-216[/b:3621842898] O-ring that works for the base of the distributor (134/172 gasser).

Kevin

Royse · Sep 3, 2014

Glad you found it.
I looked on the CNH website which lists 1.109" ID x .139 thick.

Lanexa Speedway · Sep 4, 2014

Thanks Royse.

Interestingly, the -216 ring that I used was only 1/8" cross section, versus the 0.139' section of the original part. But it seemed to fit really nicely (with nice squeeze). I know the nitrile rubber will end up swelling very slightly over time with oil contact. Will keep an eye on it and see how it does. If it leaks, I have to come back and edit this post, LOL.

Kevin

mooboy · Sep 4, 2014

(quoted from post at 09:26:39 09/04/14)
Thanks Royse.

Interestingly, the -216 ring that I used was only 1/8" cross section, versus the 0.139' section of the original part. But it seemed to fit really nicely (with nice squeeze). I know the nitrile rubber will end up swelling very slightly over time with oil contact. Will keep an eye on it and see how it does. If it leaks, I have to come back and edit this post, LOL.

Kevin

A -216 o-ring has an actual cross section of 0.139" and they call the nominal cross section 1/8". You have the right o-ring.

Lanexa Speedway · Sep 5, 2014

(quoted from post at 23:31:36 09/04/14)

(quoted from post at 09:26:39 09/04/14)
Thanks Royse.

Interestingly, the -216 ring that I used was only 1/8" cross section, versus the 0.139' section of the original part. But it seemed to fit really nicely (with nice squeeze). I know the nitrile rubber will end up swelling very slightly over time with oil contact. Will keep an eye on it and see how it does. If it leaks, I have to come back and edit this post, LOL.

Kevin

Click to expand...

A -216 o-ring has an actual cross section of 0.139" and they call the nominal cross section 1/8". You have the right o-ring.

Great. Thanks for looking that up. I just glanced at it the other day and thought it said 1/8". But cool that actual is .139". It felt perfect squeeze-wise installing it.

Distributor O-Ring Size

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mooboy

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