Flat rubber washer replacements

[Cuyamaca]

I lost the flat rubber washer where the coil connects to the shaft. Anyone know of a suitable replacement? From measuring with a caliper it looks like a 18mm OD, 7mm ID, 4mm thick. I travel a lot and need to take the coil off to fit in my suitcase. I want to get a few spares so I don't have to worry about it. I poked around a bit online and didn't have any luck, except the kit Deus sells with the plastic bolt...

Thanks

 

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[boogeyman]

Stores like Depot sell sheet rubber in the plumbing dept or most auto parts stores. That and a five dollar set of leather punches from Harbor Freight and you can make as many as you want in most any size you need.

Rocket Seals Inc 1297 S Lipan St Denver, CO Rubber-Mfrs Supplies
These guys can get you just about everything you can imagine. Call em up with your dimensions and what kind of material. You can probably get a whole bag of em for what the manufacturer will charge you for one.

 

[Joe hunter]

A Spare washer came with my deus have you used yours ? Or could be in your box .

 

[G.A.P.metal]

Lowe`s has dozen of different sized flat rubber washers in the hardware section in the draws,so does Home Depot .
Gary