where can I buy o-rings?

[psyrens]

I need a few o-rings of size around 30mm.
Where can I buy them?
Hardware stores like lowes carry them?
Thanks a lot for any help.

 

[ZaVoo]

McMaster-Carr

 

[jimjones3630]

Mag lite O rings?

http://www.flashlightking.com/cgi-bin/store/commerce.cgi?product=SPECIALTY_ITEMS&cart_id=9596242.24154

 

[Torque1st]

Any fluid power or hydraulic equipment supplier will have MANY sizes of O-rings in stock. Way cheaper than a hardware store or on the net.

For available sizes and types:
http://www.parker.com/o-ring/Literature/00-5700.pdf

 

[psyrens]

Thanks for many helps.
I could find some from local hardware store plumbing corner.
Thanks!